Area Code Profile
Area Code 912 Prefixes & Exchanges
Serving Savannah, Georgia, 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 |
|---|---|---|
| 1-912-201-#### | Savannah | Wireless |
| 1-912-202-#### | Jesup | Wireless |
| 1-912-204-#### | Unknown | |
| 1-912-205-#### | Springfield | Wireless |
| 1-912-206-#### | Hazlehurst | Landline |
| 1-912-207-#### | Screven | Wireless |
| 1-912-208-#### | Blackshear | Wireless |
| 1-912-209-#### | Hazlehurst | Wireless |
| 1-912-210-#### | Savannah | Wireless |
| 1-912-212-#### | Statesboro | Landline |
| 1-912-213-#### | Savannah | Landline |
| 1-912-214-#### | Ludowici | Landline |
| 1-912-216-#### | Lyons | Landline |
| 1-912-217-#### | Brunswick | Landline |
| 1-912-218-#### | Waycross | Landline |
| 1-912-220-#### | Savannah | Wireless |
| 1-912-221-#### | Savannah | Landline |
| 1-912-222-#### | Brunswick | Landline |
| 1-912-223-#### | Brunswick | Landline |
| 1-912-224-#### | Savannah | Wireless |
| 1-912-225-#### | Statesboro | Landline |
| 1-912-226-#### | Savannah | Landline |
| 1-912-227-#### | Saint Marys | Wireless |
| 1-912-228-#### | Savannah | Landline |
| 1-912-230-#### | Brunswick | Landline |
| 1-912-231-#### | Savannah | Wireless |
| 1-912-232-#### | Savannah | Wireless |
| 1-912-233-#### | Savannah | Wireless |
| 1-912-234-#### | Savannah | Wireless |
| 1-912-235-#### | Savannah | Wireless |
| 1-912-236-#### | Savannah | Wireless |
| 1-912-237-#### | Glennville | Wireless |
| 1-912-238-#### | Savannah | Wireless |
| 1-912-239-#### | Savannah | Wireless |
| 1-912-240-#### | Baxley | Landline |
| 1-912-241-#### | Rincon | Landline |
| 1-912-242-#### | Brunswick | Wireless |
| 1-912-243-#### | Statesboro | Landline |
| 1-912-245-#### | Vidalia | Wireless |
| 1-912-246-#### | Vidalia | Wireless |
| 1-912-247-#### | Savannah | Wireless |
| 1-912-248-#### | Brunswick | Wireless |
| 1-912-249-#### | Pembroke | Landline |
| 1-912-251-#### | Savannah | Landline |
| 1-912-252-#### | Savannah | Landline |
| 1-912-253-#### | Hazlehurst | Wireless |
| 1-912-255-#### | Hinesville | Wireless |
| 1-912-256-#### | Jesup | Wireless |
| 1-912-257-#### | Savannah | Landline |
| 1-912-258-#### | Brunswick | Wireless |
| 1-912-259-#### | Unknown | |
| 1-912-260-#### | Douglas | Landline |
| 1-912-261-#### | Brunswick | Landline |
| 1-912-262-#### | Brunswick | Landline |
| 1-912-263-#### | Brunswick | Landline |
| 1-912-264-#### | Brunswick | Landline |
| 1-912-265-#### | Brunswick | Landline |
| 1-912-266-#### | Brunswick | Wireless |
| 1-912-267-#### | Brunswick | Landline |
| 1-912-268-#### | Saint Simons Island | Landline |
| 1-912-269-#### | Brunswick | Wireless |
| 1-912-270-#### | Brunswick | Wireless |
| 1-912-271-#### | Hinesville | Wireless |
| 1-912-272-#### | Savannah | Wireless |
| 1-912-273-#### | Unknown | |
| 1-912-275-#### | Brunswick | Landline |
| 1-912-276-#### | Folkston | Wireless |
| 1-912-277-#### | Vidalia | Landline |
| 1-912-278-#### | Baxley | Wireless |
| 1-912-279-#### | Brunswick | Landline |
| 1-912-280-#### | Brunswick | Landline |
| 1-912-281-#### | Waycross | Landline |
| 1-912-282-#### | Waycross | Wireless |
| 1-912-283-#### | Waycross | Landline |
| 1-912-284-#### | Waycross | Landline |
| 1-912-285-#### | Waycross | Landline |
| 1-912-286-#### | Waycross | Wireless |
| 1-912-287-#### | Waycross | Landline |
| 1-912-288-#### | Waycross | Wireless |
| 1-912-289-#### | Brunswick | Landline |
| 1-912-290-#### | Claxton | Wireless |
| 1-912-291-#### | Saint Simons Island | Landline |
| 1-912-292-#### | Douglas | Landline |
| 1-912-293-#### | Vidalia | Wireless |
| 1-912-294-#### | Jesup | Wireless |
| 1-912-295-#### | Rincon | Landline |
| 1-912-297-#### | Brunswick | Wireless |
| 1-912-298-#### | Savannah | Landline |
| 1-912-300-#### | Alma | Wireless |
| 1-912-302-#### | Ludowici | Wireless |
| 1-912-303-#### | Savannah | Landline |
| 1-912-304-#### | Lumber City | Landline |
| 1-912-306-#### | Savannah | Wireless |
| 1-912-307-#### | Hazlehurst | Landline |
| 1-912-308-#### | Savannah | Wireless |
| 1-912-309-#### | Douglas | Landline |
| 1-912-310-#### | Nicholls | Wireless |
| 1-912-312-#### | Richmond Hill | Wireless |
| 1-912-313-#### | Savannah | Landline |
| 1-912-314-#### | Metter | Wireless |
| 1-912-315-#### | Richmond Hill | Landline |
| 1-912-316-#### | Guyton | Wireless |
| 1-912-318-#### | Hinesville | Wireless |
| 1-912-319-#### | Jekyll Island | Landline |
| 1-912-320-#### | Hinesville | Wireless |
| 1-912-321-#### | Hinesville | Wireless |
| 1-912-322-#### | Saint Marys | Wireless |
| 1-912-323-#### | Savannah | Wireless |
| 1-912-325-#### | Collins | Wireless |
| 1-912-326-#### | Vidalia | Wireless |
| 1-912-327-#### | Douglas | Wireless |
| 1-912-329-#### | Sylvania | Wireless |
| 1-912-330-#### | Pooler | Landline |
| 1-912-331-#### | Douglas | Landline |
| 1-912-332-#### | Hinesville | Wireless |
| 1-912-334-#### | Claxton | Wireless |
| 1-912-335-#### | Savannah | Landline |
| 1-912-336-#### | Glennville | Wireless |
| 1-912-337-#### | Waycross | Landline |
| 1-912-338-#### | Waycross | Landline |
| 1-912-339-#### | Baxley | Wireless |
| 1-912-341-#### | Savannah | Wireless |
| 1-912-342-#### | Brunswick | Landline |
| 1-912-344-#### | Savannah | Landline |
| 1-912-345-#### | Nicholls | Landline |
| 1-912-346-#### | Savannah | Wireless |
| 1-912-347-#### | Hazlehurst | Wireless |
| 1-912-348-#### | Savannah | Landline |
| 1-912-349-#### | Savannah | Landline |
| 1-912-350-#### | Savannah | Wireless |
| 1-912-351-#### | Savannah | Landline |
| 1-912-352-#### | Savannah | Landline |
| 1-912-353-#### | Savannah | Landline |
| 1-912-354-#### | Savannah | Landline |
| 1-912-355-#### | Savannah | Landline |
| 1-912-356-#### | Savannah | Landline |
| 1-912-358-#### | Savannah | Landline |
| 1-912-359-#### | Broxton | Landline |
| 1-912-361-#### | Glenwood | Wireless |
| 1-912-362-#### | Metter | Wireless |
| 1-912-363-#### | Lumber City | Landline |
| 1-912-364-#### | Metter | Landline |
| 1-912-365-#### | Odum | Landline |
| 1-912-366-#### | Baxley | Landline |
| 1-912-367-#### | Baxley | Landline |
| 1-912-368-#### | Hinesville | Landline |
| 1-912-369-#### | Hinesville | Landline |
| 1-912-370-#### | Hinesville | Landline |
| 1-912-371-#### | Screven | Landline |
| 1-912-372-#### | Screven | Wireless |
| 1-912-373-#### | Savannah | Wireless |
| 1-912-374-#### | Pearson | Landline |
| 1-912-375-#### | Hazlehurst | Landline |
| 1-912-376-#### | Savannah | Landline |
| 1-912-377-#### | Waycross | Landline |
| 1-912-378-#### | Broxton | Landline |
| 1-912-379-#### | Hazlehurst | Landline |
| 1-912-380-#### | Vidalia | Landline |
| 1-912-381-#### | Douglas | Landline |
| 1-912-382-#### | Ellabell | Landline |
| 1-912-383-#### | Douglas | Landline |
| 1-912-384-#### | Douglas | Landline |
| 1-912-385-#### | Jesup | Landline |
| 1-912-386-#### | Vidalia | Landline |
| 1-912-387-#### | Waycross | Landline |
| 1-912-388-#### | Lyons | Landline |
| 1-912-389-#### | Douglas | Landline |
| 1-912-390-#### | Folkston | Wireless |
| 1-912-391-#### | Unknown | |
| 1-912-392-#### | Springfield | Landline |
| 1-912-393-#### | Douglas | Landline |
| 1-912-394-#### | Reidsville | Wireless |
| 1-912-395-#### | Savannah | Landline |
| 1-912-396-#### | Midway | Wireless |
| 1-912-397-#### | Alma | Wireless |
| 1-912-398-#### | Savannah | Wireless |
| 1-912-399-#### | Brunswick | Wireless |
| 1-912-401-#### | Savannah | Landline |
| 1-912-402-#### | Odum | Wireless |
| 1-912-403-#### | Vidalia | Wireless |
| 1-912-407-#### | Springfield | Landline |
| 1-912-408-#### | Hinesville | Landline |
| 1-912-409-#### | Saint Marys | Wireless |
| 1-912-412-#### | Savannah | Landline |
| 1-912-414-#### | Savannah | Wireless |
| 1-912-415-#### | Jesup | Wireless |
| 1-912-417-#### | Unknown | |
| 1-912-421-#### | Savannah | Landline |
| 1-912-422-#### | Pearson | Landline |
| 1-912-423-#### | Alamo | Wireless |
| 1-912-424-#### | Odum | Wireless |
| 1-912-425-#### | Sylvania | Wireless |
| 1-912-426-#### | Unknown | |
| 1-912-427-#### | Jesup | Landline |
| 1-912-428-#### | Savannah | Landline |
| 1-912-429-#### | Savannah | Wireless |
| 1-912-432-#### | Hinesville | Wireless |
| 1-912-433-#### | Savannah | Wireless |
| 1-912-434-#### | Saint Simons Island | Landline |
| 1-912-435-#### | Hinesville | Landline |
| 1-912-436-#### | Savannah | Wireless |
| 1-912-437-#### | Darien | Landline |
| 1-912-439-#### | Saint Marys | Wireless |
| 1-912-440-#### | Unknown | |
| 1-912-441-#### | Savannah | Landline |
| 1-912-442-#### | Midway | Landline |
| 1-912-443-#### | Savannah | Wireless |
| 1-912-444-#### | Bloomingdale | Landline |
| 1-912-445-#### | Richmond Hill | Landline |
| 1-912-447-#### | Savannah | Wireless |
| 1-912-448-#### | Hinesville | Landline |
| 1-912-449-#### | Blackshear | Landline |
| 1-912-450-#### | Pooler | Landline |
| 1-912-451-#### | Sylvania | Landline |
| 1-912-452-#### | Blackshear | Landline |
| 1-912-454-#### | Vidalia | Wireless |
| 1-912-455-#### | Glennville | Wireless |
| 1-912-457-#### | Glennville | Landline |
| 1-912-458-#### | Hoboken | Landline |
| 1-912-459-#### | Richmond Hill | Landline |
| 1-912-462-#### | Nahunta | Landline |
| 1-912-463-#### | Hinesville | Wireless |
| 1-912-464-#### | Saint Marys | Wireless |
| 1-912-466-#### | Brunswick | Landline |
| 1-912-467-#### | Saint Marys | Wireless |
| 1-912-470-#### | Homerville | Wireless |
| 1-912-472-#### | Tybee Island | Landline |
| 1-912-473-#### | Hortense | Landline |
| 1-912-474-#### | Willacoochee | Landline |
| 1-912-475-#### | Mount Vernon | Wireless |
| 1-912-478-#### | Statesboro | Landline |
| 1-912-479-#### | Savannah | Landline |
| 1-912-480-#### | Savannah | Landline |
| 1-912-481-#### | Statesboro | Wireless |
| 1-912-484-#### | Savannah | Landline |
| 1-912-485-#### | Townsend | Landline |
| 1-912-486-#### | Statesboro | Landline |
| 1-912-487-#### | Homerville | Landline |
| 1-912-488-#### | Register | Landline |
| 1-912-489-#### | Statesboro | Landline |
| 1-912-490-#### | Waycross | Landline |
| 1-912-492-#### | Hinesville | Wireless |
| 1-912-493-#### | Douglas | Landline |
| 1-912-495-#### | Savannah | Wireless |
| 1-912-496-#### | Folkston | Landline |
| 1-912-497-#### | Lumber City | Wireless |
| 1-912-501-#### | Douglas | Wireless |
| 1-912-503-#### | Savannah | Landline |
| 1-912-505-#### | Glennville | Wireless |
| 1-912-506-#### | Brunswick | Landline |
| 1-912-507-#### | Savannah | Landline |
| 1-912-508-#### | Savannah | Wireless |
| 1-912-509-#### | Savannah | Landline |
| 1-912-510-#### | Saint Marys | Landline |
| 1-912-512-#### | Statesboro | Wireless |
| 1-912-513-#### | Rincon | Landline |
| 1-912-515-#### | Statesboro | Wireless |
| 1-912-519-#### | Guyton | Landline |
| 1-912-520-#### | Homerville | Wireless |
| 1-912-523-#### | Glenwood | Landline |
| 1-912-524-#### | Lyons | Landline |
| 1-912-525-#### | Savannah | Landline |
| 1-912-526-#### | Lyons | Landline |
| 1-912-527-#### | Savannah | Landline |
| 1-912-528-#### | Folkston | Wireless |
| 1-912-529-#### | Soperton | Landline |
| 1-912-530-#### | Jesup | Landline |
| 1-912-531-#### | Statesboro | Landline |
| 1-912-532-#### | Hinesville | Wireless |
| 1-912-533-#### | Pearson | Landline |
| 1-912-534-#### | Willacoochee | Landline |
| 1-912-535-#### | Vidalia | Landline |
| 1-912-536-#### | Statesboro | Landline |
| 1-912-537-#### | Vidalia | Landline |
| 1-912-538-#### | Vidalia | Landline |
| 1-912-539-#### | Hazlehurst | Wireless |
| 1-912-540-#### | Saint Marys | Landline |
| 1-912-541-#### | Statesboro | Landline |
| 1-912-544-#### | Savannah | Landline |
| 1-912-545-#### | Ludowici | Landline |
| 1-912-547-#### | Savannah | Wireless |
| 1-912-548-#### | Waycross | Landline |
| 1-912-550-#### | Waycross | Landline |
| 1-912-551-#### | Hazlehurst | Landline |
| 1-912-552-#### | Saint Marys | Wireless |
| 1-912-553-#### | Reidsville | Landline |
| 1-912-554-#### | Brunswick | Landline |
| 1-912-557-#### | Reidsville | Landline |
| 1-912-559-#### | Jesup | Landline |
| 1-912-562-#### | Swainsboro | Landline |
| 1-912-564-#### | Sylvania | Landline |
| 1-912-565-#### | Lyons | Landline |
| 1-912-568-#### | Alamo | Landline |
| 1-912-570-#### | Hinesville | Wireless |
| 1-912-571-#### | Brunswick | Wireless |
| 1-912-572-#### | Richmond Hill | Landline |
| 1-912-573-#### | Brunswick | Landline |
| 1-912-574-#### | Brunswick | Landline |
| 1-912-576-#### | Saint Marys | Landline |
| 1-912-577-#### | Brunswick | Landline |
| 1-912-578-#### | Lyons | Landline |
| 1-912-579-#### | Screven | Landline |
| 1-912-580-#### | Brunswick | Landline |
| 1-912-583-#### | Mount Vernon | Landline |
| 1-912-584-#### | Waycross | Wireless |
| 1-912-585-#### | Vidalia | Wireless |
| 1-912-586-#### | Odum | Landline |
| 1-912-587-#### | Statesboro | Landline |
| 1-912-588-#### | Jesup | Landline |
| 1-912-590-#### | Waycross | Landline |
| 1-912-592-#### | Douglas | Landline |
| 1-912-594-#### | Uvalda | Landline |
| 1-912-596-#### | Savannah | Landline |
| 1-912-598-#### | Savannah | Landline |
| 1-912-599-#### | Homerville | Wireless |
| 1-912-601-#### | Statesboro | Wireless |
| 1-912-602-#### | Brunswick | Landline |
| 1-912-604-#### | Savannah | Landline |
| 1-912-610-#### | Hinesville | Wireless |
| 1-912-614-#### | Waycross | Wireless |
| 1-912-617-#### | Brunswick | Wireless |
| 1-912-618-#### | Statesboro | Wireless |
| 1-912-622-#### | Hinesville | Wireless |
| 1-912-623-#### | Brooklet | Landline |
| 1-912-625-#### | Darien | Landline |
| 1-912-626-#### | Pembroke | Landline |
| 1-912-629-#### | Savannah | Landline |
| 1-912-631-#### | Savannah | Landline |
| 1-912-632-#### | Alma | Landline |
| 1-912-634-#### | Saint Simons Island | Landline |
| 1-912-635-#### | Jekyll Island | Landline |
| 1-912-637-#### | Fargo | Landline |
| 1-912-638-#### | Saint Simons Island | Landline |
| 1-912-642-#### | Brunswick | Landline |
| 1-912-644-#### | Savannah | Wireless |
| 1-912-647-#### | Patterson | Landline |
| 1-912-650-#### | Savannah | Wireless |
| 1-912-651-#### | Savannah | Wireless |
| 1-912-652-#### | Savannah | Wireless |
| 1-912-653-#### | Pembroke | Landline |
| 1-912-654-#### | Glennville | Landline |
| 1-912-655-#### | Savannah | Landline |
| 1-912-656-#### | Savannah | Landline |
| 1-912-657-#### | Savannah | Wireless |
| 1-912-658-#### | Savannah | Wireless |
| 1-912-659-#### | Savannah | Landline |
| 1-912-660-#### | Savannah | Landline |
| 1-912-661-#### | Savannah | Wireless |
| 1-912-662-#### | Savannah | Wireless |
| 1-912-663-#### | Savannah | Wireless |
| 1-912-664-#### | Savannah | Wireless |
| 1-912-665-#### | Savannah | Wireless |
| 1-912-667-#### | Savannah | Wireless |
| 1-912-670-#### | Waycross | Wireless |
| 1-912-673-#### | Saint Marys | Landline |
| 1-912-674-#### | Saint Marys | Landline |
| 1-912-675-#### | Savannah | Wireless |
| 1-912-677-#### | Savannah | Wireless |
| 1-912-678-#### | Statesboro | Wireless |
| 1-912-681-#### | Statesboro | Landline |
| 1-912-682-#### | Statesboro | Wireless |
| 1-912-683-#### | Willacoochee | Landline |
| 1-912-684-#### | Cobbtown | Landline |
| 1-912-685-#### | Metter | Landline |
| 1-912-687-#### | Statesboro | Wireless |
| 1-912-688-#### | Statesboro | Landline |
| 1-912-690-#### | Statesboro | Wireless |
| 1-912-691-#### | Savannah | Landline |
| 1-912-692-#### | Savannah | Landline |
| 1-912-693-#### | Collins | Landline |
| 1-912-695-#### | Savannah | Landline |
| 1-912-699-#### | Hazlehurst | Landline |
| 1-912-704-#### | Savannah | Landline |
| 1-912-705-#### | Baxley | Landline |
| 1-912-707-#### | Register | Wireless |
| 1-912-712-#### | Unknown | |
| 1-912-713-#### | Savannah | Landline |
| 1-912-715-#### | Jesup | Landline |
| 1-912-717-#### | Brunswick | Landline |
| 1-912-720-#### | Douglas | Landline |
| 1-912-721-#### | Savannah | Landline |
| 1-912-722-#### | Waycross | Wireless |
| 1-912-723-#### | Brooklet | Landline |
| 1-912-724-#### | Register | Landline |
| 1-912-725-#### | Statesboro | Landline |
| 1-912-727-#### | Richmond Hill | Landline |
| 1-912-728-#### | Bloomingdale | Landline |
| 1-912-729-#### | Saint Marys | Landline |
| 1-912-733-#### | Pembroke | Landline |
| 1-912-734-#### | Portal | Landline |
| 1-912-735-#### | Stilson | Landline |
| 1-912-739-#### | Claxton | Landline |
| 1-912-745-#### | Darien | Landline |
| 1-912-748-#### | Pooler | Landline |
| 1-912-754-#### | Springfield | Landline |
| 1-912-755-#### | Savannah | Wireless |
| 1-912-756-#### | Richmond Hill | Landline |
| 1-912-764-#### | Statesboro | Landline |
| 1-912-767-#### | Hinesville | Landline |
| 1-912-771-#### | St Simons Is | Landline |
| 1-912-772-#### | Guyton | Landline |
| 1-912-777-#### | Savannah | Landline |
| 1-912-778-#### | Waynesville | Landline |
| 1-912-785-#### | Baxley | Landline |
| 1-912-786-#### | Tybee Island | Landline |
| 1-912-789-#### | Glennville | Wireless |
| 1-912-790-#### | Savannah | Wireless |
| 1-912-795-#### | Sylvania | Wireless |
| 1-912-805-#### | Vidalia | Wireless |
| 1-912-807-#### | Blackshear | Landline |
| 1-912-809-#### | Waycross | Wireless |
| 1-912-810-#### | Jesup | Landline |
| 1-912-816-#### | Waycross | Landline |
| 1-912-819-#### | Savannah | Landline |
| 1-912-823-#### | Ellabell | Landline |
| 1-912-825-#### | Broxton | Wireless |
| 1-912-826-#### | Rincon | Landline |
| 1-912-829-#### | Sardis | Landline |
| 1-912-832-#### | Townsend | Landline |
| 1-912-839-#### | Ellabell | Landline |
| 1-912-842-#### | Brooklet | Landline |
| 1-912-843-#### | Folkston | Landline |
| 1-912-844-#### | Savannah | Landline |
| 1-912-848-#### | Uvalda | Wireless |
| 1-912-850-#### | Douglas | Wireless |
| 1-912-851-#### | Guyton | Landline |
| 1-912-852-#### | Register | Landline |
| 1-912-856-#### | Savannah | Landline |
| 1-912-857-#### | Sylvania | Landline |
| 1-912-858-#### | Guyton | Landline |
| 1-912-863-#### | Sylvania | Landline |
| 1-912-865-#### | Portal | Landline |
| 1-912-871-#### | Statesboro | Landline |
| 1-912-876-#### | Hinesville | Landline |
| 1-912-877-#### | Hinesville | Landline |
| 1-912-880-#### | Midway | Landline |
| 1-912-882-#### | Saint Marys | Landline |
| 1-912-884-#### | Midway | Landline |
| 1-912-895-#### | Willacoochee | Wireless |
| 1-912-897-#### | Savannah | Landline |
| 1-912-898-#### | Savannah | Landline |
| 1-912-916-#### | Jesup | Landline |
| 1-912-920-#### | Savannah | Landline |
| 1-912-921-#### | Savannah | Landline |
| 1-912-925-#### | Savannah | Landline |
| 1-912-927-#### | Savannah | Landline |
| 1-912-930-#### | Unknown | |
| 1-912-944-#### | Savannah | Wireless |
| 1-912-947-#### | Savannah | Wireless |
| 1-912-961-#### | Savannah | Landline |
| 1-912-963-#### | Savannah | Landline |
| 1-912-964-#### | Savannah | Landline |
| 1-912-965-#### | Savannah | Landline |
| 1-912-966-#### | Savannah | Landline |
| 1-912-977-#### | Hinesville | Wireless |
| 1-912-978-#### | Sylvania | Wireless |
| 1-912-980-#### | Hinesville | Wireless |
| 1-912-988-#### | Pooler | Landline |
| 1-912-996-#### | Brunswick | Landline |
| 1-912-998-#### | Pooler | Landline |
| 1-912-999-#### | Savannah | Landline |
SPONSORED
About Area Code 912
Area code 912 is assigned to the geographic numbering plan serving Savannah, Georgia.
Use the directory table to navigate through central office prefixes and explore individual telephone lines.