Area Code Profile
Area Code 312 Prefixes & Exchanges
Serving Chicago, Illinois, Unites States
Central Office Exchanges (Prefixes)
Select any prefix below to view phone lines, carrier networks, and consumer reports in that exchange:
| Exchange Prefix | City / Location | Line Type |
|---|---|---|
| 1-312-202-#### | Chicago | Landline |
| 1-312-203-#### | Chicago | Wireless |
| 1-312-204-#### | Chicago | Landline |
| 1-312-205-#### | Chicago | Landline |
| 1-312-206-#### | Chicago | Wireless |
| 1-312-207-#### | Chicago | Landline |
| 1-312-208-#### | Chicago | Wireless |
| 1-312-209-#### | Northbrook | Wireless |
| 1-312-212-#### | Chicago | Landline |
| 1-312-213-#### | Chicago | Wireless |
| 1-312-214-#### | Chicago | Landline |
| 1-312-215-#### | Wheeling | Wireless |
| 1-312-216-#### | Chicago | Landline |
| 1-312-217-#### | Chicago | Wireless |
| 1-312-218-#### | Chicago | Wireless |
| 1-312-219-#### | Chicago | Wireless |
| 1-312-220-#### | Chicago | Landline |
| 1-312-221-#### | Chicago | Wireless |
| 1-312-222-#### | Chicago | Landline |
| 1-312-223-#### | Chicago | Landline |
| 1-312-224-#### | Chicago | Landline |
| 1-312-225-#### | Chicago | Landline |
| 1-312-226-#### | Chicago | Landline |
| 1-312-227-#### | Chicago | Landline |
| 1-312-228-#### | Chicago | Landline |
| 1-312-229-#### | Chicago | Landline |
| 1-312-230-#### | Chicago | Landline |
| 1-312-231-#### | Roselle | Wireless |
| 1-312-232-#### | Chicago | Wireless |
| 1-312-233-#### | Chicago | Landline |
| 1-312-234-#### | Chicago | Landline |
| 1-312-235-#### | Chicago | Landline |
| 1-312-236-#### | Chicago | Landline |
| 1-312-237-#### | Chicago | Wireless |
| 1-312-238-#### | Chicago | Landline |
| 1-312-239-#### | Chicago | Landline |
| 1-312-240-#### | Chicago | Landline |
| 1-312-241-#### | Chicago | Wireless |
| 1-312-242-#### | Chicago | Landline |
| 1-312-243-#### | Chicago | Landline |
| 1-312-244-#### | Chicago | Landline |
| 1-312-245-#### | Chicago | Landline |
| 1-312-246-#### | Wheeling | Wireless |
| 1-312-247-#### | Chicago | Landline |
| 1-312-248-#### | Unknown | |
| 1-312-249-#### | Chicago | Wireless |
| 1-312-250-#### | Chicago | Wireless |
| 1-312-251-#### | Chicago | Landline |
| 1-312-252-#### | Chicago | Landline |
| 1-312-253-#### | Chicago | Landline |
| 1-312-254-#### | Chicago | Landline |
| 1-312-255-#### | Chicago | Landline |
| 1-312-256-#### | Chicago | Landline |
| 1-312-257-#### | Chicago | Wireless |
| 1-312-258-#### | Chicago | Landline |
| 1-312-259-#### | Chicago | Wireless |
| 1-312-260-#### | Chicago | Landline |
| 1-312-261-#### | Chicago | Landline |
| 1-312-262-#### | Chicago | Landline |
| 1-312-263-#### | Chicago | Landline |
| 1-312-264-#### | Chicago | Landline |
| 1-312-265-#### | Chicago | Landline |
| 1-312-266-#### | Chicago | Landline |
| 1-312-267-#### | Chicago | Landline |
| 1-312-268-#### | Chicago | Landline |
| 1-312-269-#### | Chicago | Landline |
| 1-312-271-#### | Chicago | Wireless |
| 1-312-272-#### | Chicago | Wireless |
| 1-312-273-#### | Chicago | Wireless |
| 1-312-274-#### | Chicago | Landline |
| 1-312-275-#### | Chicago | Landline |
| 1-312-276-#### | Chicago | Landline |
| 1-312-277-#### | Chicago | Landline |
| 1-312-278-#### | Chicago | Landline |
| 1-312-279-#### | Chicago | Landline |
| 1-312-280-#### | Chicago | Landline |
| 1-312-281-#### | Chicago | Landline |
| 1-312-282-#### | Chicago | Wireless |
| 1-312-283-#### | Chicago | Landline |
| 1-312-284-#### | Chicago | Landline |
| 1-312-285-#### | Chicago | Wireless |
| 1-312-286-#### | Chicago | Wireless |
| 1-312-287-#### | Chicago | Wireless |
| 1-312-288-#### | Chicago | Landline |
| 1-312-289-#### | Chicago | Wireless |
| 1-312-290-#### | Chicago | Wireless |
| 1-312-291-#### | Chicago | Landline |
| 1-312-292-#### | Chicago | Wireless |
| 1-312-293-#### | Chicago | Landline |
| 1-312-294-#### | Chicago | Landline |
| 1-312-295-#### | La Grange Park | Wireless |
| 1-312-296-#### | Chicago | Wireless |
| 1-312-297-#### | Chicago | Landline |
| 1-312-298-#### | Chicago | Landline |
| 1-312-299-#### | Chicago | Wireless |
| 1-312-300-#### | Chicago | Landline |
| 1-312-301-#### | Hinsdale | Wireless |
| 1-312-302-#### | Chicago | Landline |
| 1-312-303-#### | Wheeling | Wireless |
| 1-312-304-#### | Hinsdale | Wireless |
| 1-312-305-#### | Northbrook | Wireless |
| 1-312-306-#### | Chicago | Landline |
| 1-312-307-#### | Chicago | Wireless |
| 1-312-308-#### | Chicago | Landline |
| 1-312-309-#### | Chicago | Landline |
| 1-312-310-#### | Northbrook | Wireless |
| 1-312-314-#### | Hinsdale | Wireless |
| 1-312-315-#### | Chicago | Wireless |
| 1-312-316-#### | Chicago | Wireless |
| 1-312-317-#### | Wheeling | Wireless |
| 1-312-318-#### | La Grange Park | Wireless |
| 1-312-320-#### | Chicago | Wireless |
| 1-312-321-#### | Chicago | Landline |
| 1-312-322-#### | Chicago | Landline |
| 1-312-323-#### | Chicago | Wireless |
| 1-312-324-#### | Chicago | Landline |
| 1-312-325-#### | Chicago | Landline |
| 1-312-326-#### | Chicago | Landline |
| 1-312-327-#### | Chicago | Landline |
| 1-312-328-#### | Chicago | Landline |
| 1-312-329-#### | Chicago | Landline |
| 1-312-330-#### | Chicago | Wireless |
| 1-312-331-#### | Wheeling | Wireless |
| 1-312-332-#### | Chicago | Landline |
| 1-312-333-#### | Chicago | Wireless |
| 1-312-334-#### | Chicago | Landline |
| 1-312-335-#### | Chicago | Landline |
| 1-312-336-#### | Chicago | Landline |
| 1-312-337-#### | Chicago | Landline |
| 1-312-338-#### | Chicago | Landline |
| 1-312-339-#### | Chicago | Wireless |
| 1-312-340-#### | Chicago | Wireless |
| 1-312-341-#### | Chicago | Landline |
| 1-312-342-#### | Chicago | Wireless |
| 1-312-343-#### | Chicago | Wireless |
| 1-312-344-#### | Chicago | Landline |
| 1-312-345-#### | Chicago | Landline |
| 1-312-346-#### | Chicago | Landline |
| 1-312-347-#### | Chicago | Landline |
| 1-312-348-#### | Chicago | Landline |
| 1-312-349-#### | Chicago | Wireless |
| 1-312-350-#### | Chicago | Wireless |
| 1-312-351-#### | Chicago | Wireless |
| 1-312-352-#### | Hinsdale | Wireless |
| 1-312-353-#### | Chicago | Landline |
| 1-312-354-#### | Roselle | Wireless |
| 1-312-355-#### | Chicago | Landline |
| 1-312-356-#### | Chicago | Landline |
| 1-312-357-#### | Chicago | Landline |
| 1-312-359-#### | Chicago | Wireless |
| 1-312-360-#### | Chicago | Landline |
| 1-312-361-#### | Chicago | Landline |
| 1-312-362-#### | Chicago | Landline |
| 1-312-363-#### | Chicago | Landline |
| 1-312-364-#### | Chicago | Landline |
| 1-312-365-#### | Chicago | Wireless |
| 1-312-366-#### | La Grange Park | Wireless |
| 1-312-367-#### | La Grange Park | Wireless |
| 1-312-368-#### | Chicago | Landline |
| 1-312-369-#### | Chicago | Wireless |
| 1-312-370-#### | Chicago | Wireless |
| 1-312-371-#### | Chicago | Wireless |
| 1-312-372-#### | Chicago | Landline |
| 1-312-373-#### | Chicago | Landline |
| 1-312-374-#### | Chicago | Landline |
| 1-312-375-#### | Chicago | Wireless |
| 1-312-376-#### | Chicago | Landline |
| 1-312-377-#### | Chicago | Landline |
| 1-312-378-#### | Chicago | Wireless |
| 1-312-379-#### | Chicago | Landline |
| 1-312-380-#### | Chicago | Landline |
| 1-312-381-#### | Chicago | Landline |
| 1-312-382-#### | Chicago | Landline |
| 1-312-384-#### | Chicago | Landline |
| 1-312-385-#### | Chicago | Landline |
| 1-312-386-#### | Chicago | Landline |
| 1-312-387-#### | Chicago | Wireless |
| 1-312-388-#### | Chicago | Wireless |
| 1-312-389-#### | Chicago | Wireless |
| 1-312-390-#### | Chicago | Wireless |
| 1-312-391-#### | Chicago | Wireless |
| 1-312-393-#### | Chicago | Wireless |
| 1-312-394-#### | Chicago | Landline |
| 1-312-395-#### | Chicago | Landline |
| 1-312-396-#### | Chicago | Landline |
| 1-312-397-#### | Chicago | Landline |
| 1-312-398-#### | Chicago | Wireless |
| 1-312-399-#### | Chicago | Wireless |
| 1-312-400-#### | Chicago | Wireless |
| 1-312-401-#### | Chicago | Wireless |
| 1-312-402-#### | Chicago | Wireless |
| 1-312-403-#### | La Grange Park | Wireless |
| 1-312-404-#### | Chicago | Wireless |
| 1-312-405-#### | Chicago | Wireless |
| 1-312-406-#### | Wheeling | Wireless |
| 1-312-407-#### | Chicago | Landline |
| 1-312-408-#### | Chicago | Landline |
| 1-312-409-#### | Chicago | Landline |
| 1-312-410-#### | Chicago | Landline |
| 1-312-412-#### | Wheeling | Wireless |
| 1-312-413-#### | Chicago | Landline |
| 1-312-415-#### | Chicago | Wireless |
| 1-312-416-#### | Chicago | Landline |
| 1-312-417-#### | Chicago | Wireless |
| 1-312-418-#### | Chicago | Wireless |
| 1-312-419-#### | Chicago | Landline |
| 1-312-420-#### | Chicago | Wireless |
| 1-312-421-#### | Chicago | Landline |
| 1-312-422-#### | Chicago | Landline |
| 1-312-423-#### | Chicago | Landline |
| 1-312-424-#### | Chicago | Landline |
| 1-312-425-#### | Chicago | Landline |
| 1-312-426-#### | Chicago | Wireless |
| 1-312-427-#### | Chicago | Landline |
| 1-312-428-#### | Chicago | Wireless |
| 1-312-429-#### | Chicago | Landline |
| 1-312-430-#### | Chicago | Landline |
| 1-312-431-#### | Chicago | Landline |
| 1-312-432-#### | Chicago | Landline |
| 1-312-433-#### | Chicago | Landline |
| 1-312-434-#### | Chicago | Wireless |
| 1-312-435-#### | Chicago | Landline |
| 1-312-436-#### | Chicago | Landline |
| 1-312-437-#### | Chicago | Wireless |
| 1-312-440-#### | Chicago | Landline |
| 1-312-441-#### | Chicago | Landline |
| 1-312-442-#### | Chicago | Landline |
| 1-312-443-#### | Chicago | Landline |
| 1-312-444-#### | Chicago | Landline |
| 1-312-445-#### | Chicago | Landline |
| 1-312-446-#### | Chicago | Wireless |
| 1-312-447-#### | Chicago | Landline |
| 1-312-448-#### | Chicago | Wireless |
| 1-312-449-#### | Chicago | Wireless |
| 1-312-450-#### | Chicago | Wireless |
| 1-312-451-#### | Chicago | Landline |
| 1-312-452-#### | Chicago | Wireless |
| 1-312-453-#### | Chicago | Landline |
| 1-312-454-#### | Chicago | Landline |
| 1-312-455-#### | Chicago | Landline |
| 1-312-456-#### | Chicago | Landline |
| 1-312-457-#### | Chicago | Wireless |
| 1-312-458-#### | Chicago | Landline |
| 1-312-459-#### | Chicago | Wireless |
| 1-312-460-#### | Chicago | Landline |
| 1-312-461-#### | Chicago | Landline |
| 1-312-462-#### | Chicago | Landline |
| 1-312-463-#### | Chicago | Landline |
| 1-312-464-#### | Chicago | Landline |
| 1-312-465-#### | Chicago | Landline |
| 1-312-466-#### | Chicago | Landline |
| 1-312-467-#### | Chicago | Landline |
| 1-312-469-#### | Chicago | Landline |
| 1-312-470-#### | Chicago | Landline |
| 1-312-472-#### | Chicago | Landline |
| 1-312-473-#### | Chicago | Landline |
| 1-312-474-#### | Chicago | Landline |
| 1-312-475-#### | Chicago | Landline |
| 1-312-476-#### | Chicago | Landline |
| 1-312-477-#### | Chicago | Wireless |
| 1-312-478-#### | Chicago | Landline |
| 1-312-479-#### | Chicago | Landline |
| 1-312-480-#### | Chicago | Wireless |
| 1-312-482-#### | Chicago | Landline |
| 1-312-484-#### | Chicago | Wireless |
| 1-312-485-#### | Chicago | Wireless |
| 1-312-486-#### | Chicago | Landline |
| 1-312-488-#### | Chicago | Landline |
| 1-312-489-#### | Chicago | Wireless |
| 1-312-490-#### | Chicago | Wireless |
| 1-312-491-#### | Chicago | Landline |
| 1-312-492-#### | Chicago | Landline |
| 1-312-493-#### | Chicago | Wireless |
| 1-312-494-#### | Chicago | Landline |
| 1-312-495-#### | Chicago | Wireless |
| 1-312-496-#### | Chicago | Landline |
| 1-312-497-#### | Chicago | Wireless |
| 1-312-498-#### | Chicago | Wireless |
| 1-312-499-#### | Chicago | Landline |
| 1-312-501-#### | La Grange Park | Wireless |
| 1-312-502-#### | Chicago | Wireless |
| 1-312-503-#### | Chicago | Landline |
| 1-312-504-#### | Chicago | Wireless |
| 1-312-505-#### | Chicago | Wireless |
| 1-312-506-#### | Chicago | Landline |
| 1-312-507-#### | Chicago | Landline |
| 1-312-508-#### | Chicago | Landline |
| 1-312-509-#### | Chicago | Landline |
| 1-312-510-#### | Hinsdale | Wireless |
| 1-312-512-#### | Chicago | Wireless |
| 1-312-513-#### | Chicago | Wireless |
| 1-312-514-#### | Chicago | Wireless |
| 1-312-515-#### | Chicago | Wireless |
| 1-312-516-#### | Chicago | Landline |
| 1-312-518-#### | Wheeling | Wireless |
| 1-312-519-#### | Chicago | Wireless |
| 1-312-520-#### | Chicago | Wireless |
| 1-312-521-#### | Chicago | Landline |
| 1-312-523-#### | Chicago | Wireless |
| 1-312-524-#### | Wheeling | Wireless |
| 1-312-525-#### | Chicago | Landline |
| 1-312-526-#### | Chicago | Landline |
| 1-312-527-#### | Chicago | Landline |
| 1-312-528-#### | Chicago | Landline |
| 1-312-529-#### | Chicago | Landline |
| 1-312-530-#### | Chicago | Wireless |
| 1-312-531-#### | Hinsdale | Wireless |
| 1-312-532-#### | Chicago | Wireless |
| 1-312-533-#### | Chicago | Wireless |
| 1-312-534-#### | Chicago | Landline |
| 1-312-537-#### | Chicago | Landline |
| 1-312-540-#### | Chicago | Landline |
| 1-312-541-#### | Chicago | Landline |
| 1-312-542-#### | Chicago | Landline |
| 1-312-543-#### | Chicago | Wireless |
| 1-312-544-#### | Chicago | Landline |
| 1-312-545-#### | Chicago | Wireless |
| 1-312-546-#### | Chicago | Landline |
| 1-312-547-#### | Chicago | Wireless |
| 1-312-548-#### | Chicago | Landline |
| 1-312-550-#### | Chicago | Wireless |
| 1-312-551-#### | Chicago | Landline |
| 1-312-552-#### | Chicago | Landline |
| 1-312-553-#### | Chicago | Landline |
| 1-312-554-#### | Chicago | Landline |
| 1-312-556-#### | Chicago | Wireless |
| 1-312-557-#### | Chicago | Landline |
| 1-312-558-#### | Chicago | Landline |
| 1-312-559-#### | Chicago | Landline |
| 1-312-560-#### | Chicago | Wireless |
| 1-312-561-#### | Chicago | Wireless |
| 1-312-562-#### | Chicago | Wireless |
| 1-312-563-#### | Chicago | Landline |
| 1-312-564-#### | Chicago | Landline |
| 1-312-565-#### | Chicago | Landline |
| 1-312-566-#### | Chicago | Landline |
| 1-312-567-#### | Chicago | Landline |
| 1-312-568-#### | Chicago | Landline |
| 1-312-569-#### | Chicago | Landline |
| 1-312-570-#### | Chicago | Landline |
| 1-312-571-#### | Chicago | Wireless |
| 1-312-572-#### | Chicago | Landline |
| 1-312-573-#### | Chicago | Landline |
| 1-312-574-#### | Chicago | Landline |
| 1-312-575-#### | Chicago | Landline |
| 1-312-576-#### | Chicago | Wireless |
| 1-312-577-#### | Chicago | Landline |
| 1-312-578-#### | Chicago | Landline |
| 1-312-580-#### | Chicago | Landline |
| 1-312-582-#### | Chicago | Landline |
| 1-312-583-#### | Chicago | Landline |
| 1-312-585-#### | Chicago | Landline |
| 1-312-587-#### | Chicago | Landline |
| 1-312-588-#### | Chicago | Landline |
| 1-312-589-#### | Chicago | Landline |
| 1-312-590-#### | Chicago | Wireless |
| 1-312-591-#### | Chicago | Landline |
| 1-312-592-#### | Chicago | Landline |
| 1-312-593-#### | Chicago | Wireless |
| 1-312-594-#### | Chicago | Landline |
| 1-312-595-#### | Chicago | Landline |
| 1-312-596-#### | Chicago | Landline |
| 1-312-600-#### | Chicago | Landline |
| 1-312-601-#### | Chicago | Landline |
| 1-312-602-#### | Chicago | Landline |
| 1-312-603-#### | Chicago | Landline |
| 1-312-604-#### | Chicago | Landline |
| 1-312-605-#### | Chicago | Landline |
| 1-312-606-#### | Chicago | Landline |
| 1-312-607-#### | Chicago | Wireless |
| 1-312-608-#### | Chicago | Wireless |
| 1-312-609-#### | Chicago | Landline |
| 1-312-610-#### | Chicago | Wireless |
| 1-312-612-#### | Chicago | Landline |
| 1-312-613-#### | Chicago | Wireless |
| 1-312-614-#### | Chicago | Landline |
| 1-312-615-#### | Wheeling | Wireless |
| 1-312-616-#### | Chicago | Landline |
| 1-312-617-#### | Chicago | Wireless |
| 1-312-618-#### | Chicago | Wireless |
| 1-312-619-#### | Chicago | Wireless |
| 1-312-620-#### | Chicago | Landline |
| 1-312-621-#### | Chicago | Landline |
| 1-312-622-#### | Chicago | Wireless |
| 1-312-623-#### | Chicago | Wireless |
| 1-312-624-#### | Chicago | Landline |
| 1-312-625-#### | Chicago | Landline |
| 1-312-626-#### | Chicago | Landline |
| 1-312-627-#### | Chicago | Landline |
| 1-312-628-#### | Chicago | Landline |
| 1-312-629-#### | Chicago | Landline |
| 1-312-630-#### | Chicago | Landline |
| 1-312-631-#### | Chicago | Landline |
| 1-312-632-#### | Chicago | Landline |
| 1-312-633-#### | Chicago | Landline |
| 1-312-634-#### | Chicago | Landline |
| 1-312-635-#### | Chicago | Landline |
| 1-312-636-#### | Chicago | Wireless |
| 1-312-637-#### | Chicago | Landline |
| 1-312-638-#### | Chicago | Landline |
| 1-312-640-#### | Chicago | Landline |
| 1-312-641-#### | Chicago | Landline |
| 1-312-642-#### | Chicago | Landline |
| 1-312-643-#### | Chicago | Landline |
| 1-312-644-#### | Chicago | Landline |
| 1-312-645-#### | Chicago | Landline |
| 1-312-646-#### | Chicago | Landline |
| 1-312-647-#### | Chicago | Wireless |
| 1-312-648-#### | Chicago | Landline |
| 1-312-649-#### | Chicago | Landline |
| 1-312-650-#### | Chicago | Landline |
| 1-312-651-#### | Chicago | Landline |
| 1-312-652-#### | Chicago | Landline |
| 1-312-653-#### | Chicago | Landline |
| 1-312-654-#### | Chicago | Landline |
| 1-312-655-#### | Chicago | Landline |
| 1-312-656-#### | Chicago | Wireless |
| 1-312-657-#### | Chicago | Wireless |
| 1-312-658-#### | Chicago | Landline |
| 1-312-659-#### | Chicago | Wireless |
| 1-312-660-#### | Chicago | Landline |
| 1-312-661-#### | Chicago | Landline |
| 1-312-662-#### | Chicago | Landline |
| 1-312-663-#### | Chicago | Landline |
| 1-312-664-#### | Chicago | Landline |
| 1-312-665-#### | Chicago | Landline |
| 1-312-666-#### | Chicago | Landline |
| 1-312-667-#### | Chicago | Landline |
| 1-312-669-#### | Chicago | Landline |
| 1-312-670-#### | Chicago | Landline |
| 1-312-671-#### | Chicago | Wireless |
| 1-312-672-#### | Chicago | Landline |
| 1-312-673-#### | Chicago | Landline |
| 1-312-674-#### | Chicago | Landline |
| 1-312-675-#### | Chicago | Landline |
| 1-312-676-#### | Chicago | Landline |
| 1-312-677-#### | Chicago | Wireless |
| 1-312-678-#### | Chicago | Wireless |
| 1-312-679-#### | Chicago | Wireless |
| 1-312-680-#### | Chicago | Wireless |
| 1-312-681-#### | Chicago | Landline |
| 1-312-682-#### | Chicago | Wireless |
| 1-312-683-#### | Chicago | Landline |
| 1-312-685-#### | Chicago | Wireless |
| 1-312-688-#### | Chicago | Wireless |
| 1-312-689-#### | Chicago | Wireless |
| 1-312-690-#### | Unknown | |
| 1-312-691-#### | Chicago | Wireless |
| 1-312-692-#### | Chicago | Landline |
| 1-312-693-#### | Chicago | Landline |
| 1-312-694-#### | Chicago | Landline |
| 1-312-695-#### | Chicago | Landline |
| 1-312-696-#### | Chicago | Landline |
| 1-312-697-#### | Chicago | Landline |
| 1-312-698-#### | Chicago | Landline |
| 1-312-699-#### | Hinsdale | Wireless |
| 1-312-701-#### | Chicago | Landline |
| 1-312-702-#### | Chicago | Landline |
| 1-312-703-#### | Chicago | Wireless |
| 1-312-704-#### | Chicago | Landline |
| 1-312-705-#### | Chicago | Landline |
| 1-312-706-#### | Chicago | Landline |
| 1-312-707-#### | Chicago | Landline |
| 1-312-709-#### | Chicago | Wireless |
| 1-312-710-#### | Chicago | Landline |
| 1-312-712-#### | Chicago | Landline |
| 1-312-713-#### | Chicago | Wireless |
| 1-312-714-#### | Chicago | Landline |
| 1-312-715-#### | Chicago | Landline |
| 1-312-716-#### | Chicago | Wireless |
| 1-312-717-#### | La Grange Park | Wireless |
| 1-312-718-#### | Chicago | Wireless |
| 1-312-719-#### | Chicago | Wireless |
| 1-312-720-#### | Chicago | Wireless |
| 1-312-721-#### | Chicago | Wireless |
| 1-312-724-#### | Chicago | Landline |
| 1-312-725-#### | Chicago | Landline |
| 1-312-726-#### | Chicago | Landline |
| 1-312-727-#### | Chicago | Landline |
| 1-312-729-#### | Chicago | Landline |
| 1-312-730-#### | Chicago | Landline |
| 1-312-731-#### | Chicago | Landline |
| 1-312-732-#### | Chicago | Landline |
| 1-312-733-#### | Chicago | Landline |
| 1-312-735-#### | Chicago | Wireless |
| 1-312-737-#### | Chicago | Landline |
| 1-312-738-#### | Chicago | Landline |
| 1-312-739-#### | Chicago | Landline |
| 1-312-740-#### | Chicago | Wireless |
| 1-312-742-#### | Chicago | Landline |
| 1-312-743-#### | Chicago | Landline |
| 1-312-744-#### | Chicago | Landline |
| 1-312-745-#### | Chicago | Landline |
| 1-312-746-#### | Chicago | Landline |
| 1-312-747-#### | Chicago | Landline |
| 1-312-748-#### | Chicago | Wireless |
| 1-312-749-#### | Hinsdale | Wireless |
| 1-312-750-#### | Chicago | Landline |
| 1-312-751-#### | Chicago | Landline |
| 1-312-752-#### | Chicago | Landline |
| 1-312-753-#### | Chicago | Landline |
| 1-312-754-#### | Chicago | Landline |
| 1-312-755-#### | Chicago | Landline |
| 1-312-756-#### | Chicago | Landline |
| 1-312-757-#### | Chicago | Landline |
| 1-312-758-#### | Chicago | Wireless |
| 1-312-759-#### | Chicago | Landline |
| 1-312-760-#### | Chicago | Wireless |
| 1-312-762-#### | Chicago | Landline |
| 1-312-763-#### | Unknown | |
| 1-312-765-#### | Chicago | Landline |
| 1-312-768-#### | Chicago | Landline |
| 1-312-769-#### | Chicago | Wireless |
| 1-312-770-#### | Chicago | Landline |
| 1-312-771-#### | Chicago | Wireless |
| 1-312-772-#### | Chicago | Wireless |
| 1-312-774-#### | Chicago | Wireless |
| 1-312-775-#### | Chicago | Landline |
| 1-312-777-#### | Chicago | Landline |
| 1-312-780-#### | Chicago | Landline |
| 1-312-781-#### | Chicago | Landline |
| 1-312-782-#### | Chicago | Landline |
| 1-312-784-#### | Chicago | Landline |
| 1-312-786-#### | Chicago | Landline |
| 1-312-787-#### | Chicago | Landline |
| 1-312-788-#### | Chicago | Landline |
| 1-312-789-#### | Chicago | Landline |
| 1-312-790-#### | Chicago | Wireless |
| 1-312-791-#### | Chicago | Landline |
| 1-312-793-#### | Chicago | Landline |
| 1-312-794-#### | Chicago | Landline |
| 1-312-795-#### | Chicago | Landline |
| 1-312-797-#### | Chicago | Landline |
| 1-312-798-#### | Chicago | Landline |
| 1-312-799-#### | Chicago | Landline |
| 1-312-800-#### | Chicago | Landline |
| 1-312-801-#### | Chicago | Wireless |
| 1-312-802-#### | Chicago | Wireless |
| 1-312-803-#### | Chicago | Landline |
| 1-312-804-#### | Chicago | Wireless |
| 1-312-805-#### | Chicago | Wireless |
| 1-312-806-#### | Chicago | Wireless |
| 1-312-807-#### | Chicago | Landline |
| 1-312-808-#### | Chicago | Landline |
| 1-312-809-#### | Chicago | Landline |
| 1-312-810-#### | Chicago | Wireless |
| 1-312-812-#### | Chicago | Wireless |
| 1-312-813-#### | Chicago | Wireless |
| 1-312-814-#### | Chicago | Landline |
| 1-312-816-#### | Hinsdale | Wireless |
| 1-312-817-#### | Chicago | Landline |
| 1-312-818-#### | Chicago | Wireless |
| 1-312-819-#### | Chicago | Landline |
| 1-312-820-#### | Chicago | Wireless |
| 1-312-821-#### | Chicago | Landline |
| 1-312-822-#### | Chicago | Landline |
| 1-312-823-#### | Chicago | Landline |
| 1-312-827-#### | Chicago | Landline |
| 1-312-828-#### | Chicago | Landline |
| 1-312-829-#### | Chicago | Landline |
| 1-312-830-#### | Chicago | Wireless |
| 1-312-831-#### | Chicago | Landline |
| 1-312-832-#### | Chicago | Landline |
| 1-312-833-#### | Chicago | Wireless |
| 1-312-834-#### | Chicago | Landline |
| 1-312-835-#### | Chicago | Wireless |
| 1-312-836-#### | Chicago | Landline |
| 1-312-839-#### | Chicago | Wireless |
| 1-312-840-#### | Chicago | Landline |
| 1-312-841-#### | Chicago | Wireless |
| 1-312-842-#### | Chicago | Landline |
| 1-312-843-#### | Chicago | Landline |
| 1-312-844-#### | Hinsdale | Wireless |
| 1-312-845-#### | Chicago | Landline |
| 1-312-846-#### | Chicago | Landline |
| 1-312-848-#### | Chicago | Wireless |
| 1-312-849-#### | Chicago | Landline |
| 1-312-850-#### | Chicago | Landline |
| 1-312-851-#### | Chicago | Wireless |
| 1-312-852-#### | Chicago | Wireless |
| 1-312-853-#### | Chicago | Landline |
| 1-312-854-#### | Chicago | Landline |
| 1-312-855-#### | Chicago | Landline |
| 1-312-856-#### | Chicago | Landline |
| 1-312-857-#### | Chicago | Landline |
| 1-312-859-#### | Chicago | Wireless |
| 1-312-860-#### | Chicago | Wireless |
| 1-312-861-#### | Chicago | Landline |
| 1-312-862-#### | Chicago | Landline |
| 1-312-863-#### | Chicago | Landline |
| 1-312-864-#### | Chicago | Landline |
| 1-312-865-#### | Wheeling | Wireless |
| 1-312-867-#### | Chicago | Landline |
| 1-312-869-#### | Chicago | Landline |
| 1-312-870-#### | Chicago | Landline |
| 1-312-873-#### | Chicago | Landline |
| 1-312-875-#### | Chicago | Landline |
| 1-312-876-#### | Chicago | Landline |
| 1-312-878-#### | Chicago | Landline |
| 1-312-879-#### | Chicago | Landline |
| 1-312-880-#### | Chicago | Landline |
| 1-312-881-#### | Chicago | Landline |
| 1-312-882-#### | Chicago | Wireless |
| 1-312-884-#### | Chicago | Landline |
| 1-312-886-#### | Chicago | Landline |
| 1-312-887-#### | Chicago | Landline |
| 1-312-888-#### | Chicago | Landline |
| 1-312-890-#### | Chicago | Wireless |
| 1-312-891-#### | Chicago | Wireless |
| 1-312-892-#### | Chicago | Landline |
| 1-312-893-#### | Chicago | Landline |
| 1-312-894-#### | Chicago | Landline |
| 1-312-895-#### | Chicago | Landline |
| 1-312-896-#### | Chicago | Landline |
| 1-312-898-#### | Chicago | Wireless |
| 1-312-899-#### | Chicago | Landline |
| 1-312-901-#### | Chicago | Wireless |
| 1-312-902-#### | Chicago | Landline |
| 1-312-903-#### | Chicago | Wireless |
| 1-312-904-#### | Chicago | Landline |
| 1-312-905-#### | Chicago | Landline |
| 1-312-906-#### | Chicago | Landline |
| 1-312-907-#### | Chicago | Wireless |
| 1-312-908-#### | Chicago | Landline |
| 1-312-909-#### | Chicago | Wireless |
| 1-312-910-#### | Chicago | Wireless |
| 1-312-912-#### | Chicago | Landline |
| 1-312-913-#### | Chicago | Landline |
| 1-312-914-#### | Chicago | Wireless |
| 1-312-915-#### | Chicago | Landline |
| 1-312-916-#### | Chicago | Wireless |
| 1-312-917-#### | Chicago | Landline |
| 1-312-918-#### | Chicago | Wireless |
| 1-312-919-#### | Chicago | Wireless |
| 1-312-920-#### | Chicago | Landline |
| 1-312-921-#### | Chicago | Landline |
| 1-312-922-#### | Chicago | Landline |
| 1-312-923-#### | Chicago | Landline |
| 1-312-924-#### | Chicago | Landline |
| 1-312-925-#### | Chicago | Wireless |
| 1-312-926-#### | Chicago | Landline |
| 1-312-927-#### | Chicago | Wireless |
| 1-312-928-#### | Chicago | Landline |
| 1-312-929-#### | Chicago | Landline |
| 1-312-930-#### | Chicago | Landline |
| 1-312-931-#### | Chicago | Landline |
| 1-312-932-#### | Chicago | Landline |
| 1-312-933-#### | Chicago | Wireless |
| 1-312-935-#### | Chicago | Landline |
| 1-312-936-#### | Chicago | Wireless |
| 1-312-938-#### | Chicago | Landline |
| 1-312-939-#### | Chicago | Landline |
| 1-312-940-#### | Chicago | Landline |
| 1-312-941-#### | Chicago | Wireless |
| 1-312-942-#### | Chicago | Landline |
| 1-312-943-#### | Chicago | Landline |
| 1-312-944-#### | Chicago | Landline |
| 1-312-945-#### | Chicago | Landline |
| 1-312-946-#### | Chicago | Landline |
| 1-312-947-#### | Chicago | Landline |
| 1-312-948-#### | Chicago | Landline |
| 1-312-949-#### | Chicago | Landline |
| 1-312-951-#### | Chicago | Landline |
| 1-312-952-#### | Chicago | Wireless |
| 1-312-953-#### | Chicago | Wireless |
| 1-312-954-#### | Chicago | Landline |
| 1-312-955-#### | Chicago | Landline |
| 1-312-957-#### | Chicago | Landline |
| 1-312-960-#### | Chicago | Landline |
| 1-312-961-#### | Chicago | Wireless |
| 1-312-962-#### | Chicago | Landline |
| 1-312-963-#### | Chicago | Wireless |
| 1-312-965-#### | Chicago | Wireless |
| 1-312-968-#### | La Grange Park | Wireless |
| 1-312-969-#### | La Grange Park | Wireless |
| 1-312-970-#### | Chicago | Landline |
| 1-312-971-#### | Unknown | |
| 1-312-972-#### | Chicago | Wireless |
| 1-312-973-#### | Chicago | Landline |
| 1-312-974-#### | Chicago | Landline |
| 1-312-977-#### | Chicago | Landline |
| 1-312-978-#### | Chicago | Wireless |
| 1-312-979-#### | Chicago | Wireless |
| 1-312-980-#### | Chicago | Landline |
| 1-312-981-#### | Chicago | Landline |
| 1-312-983-#### | Chicago | Landline |
| 1-312-984-#### | Chicago | Landline |
| 1-312-985-#### | Chicago | Landline |
| 1-312-986-#### | Chicago | Landline |
| 1-312-987-#### | Chicago | Landline |
| 1-312-988-#### | Chicago | Landline |
| 1-312-990-#### | Hinsdale | Wireless |
| 1-312-991-#### | Wheeling | Wireless |
| 1-312-992-#### | Chicago | Landline |
| 1-312-993-#### | Chicago | Landline |
| 1-312-994-#### | Chicago | Landline |
| 1-312-996-#### | Chicago | Landline |
| 1-312-997-#### | Chicago | Landline |
| 1-312-999-#### | Chicago | Landline |
SPONSORED
About Area Code 312
Area code 312 is assigned to the geographic numbering plan serving Chicago, Illinois.
Use the directory table to navigate through central office prefixes and explore individual telephone lines.