Area Code Profile
Area Code 231 Prefixes & Exchanges
Serving Muskegon, Michigan, 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 |
|---|---|---|
| 1-231-202-#### | Mecosta | Wireless |
| 1-231-203-#### | Alanson | Wireless |
| 1-231-204-#### | Fife Lake | Landline |
| 1-231-205-#### | Brutus | Landline |
| 1-231-206-#### | Muskegon | Landline |
| 1-231-207-#### | Honor | Landline |
| 1-231-208-#### | Boyne Falls | Landline |
| 1-231-209-#### | Suttons Bay | Landline |
| 1-231-214-#### | Leroy | Landline |
| 1-231-215-#### | Muskegon | Wireless |
| 1-231-217-#### | Bear Lake | Landline |
| 1-231-218-#### | Traverse City | Wireless |
| 1-231-219-#### | Merritt | Landline |
| 1-231-220-#### | Muskegon | Landline |
| 1-231-222-#### | East Jordan | Landline |
| 1-231-223-#### | Elk Rapids | Landline |
| 1-231-224-#### | Fremont | Landline |
| 1-231-225-#### | Fremont | Landline |
| 1-231-226-#### | Empire | Landline |
| 1-231-227-#### | Honor | Landline |
| 1-231-228-#### | Cedar | Landline |
| 1-231-229-#### | Merritt | Landline |
| 1-231-230-#### | Elmira | Landline |
| 1-231-232-#### | Merritt | Landline |
| 1-231-233-#### | Ludington | Wireless |
| 1-231-235-#### | Levering | Landline |
| 1-231-236-#### | Lake City | Landline |
| 1-231-237-#### | Charlevoix | Landline |
| 1-231-238-#### | Indian River | Landline |
| 1-231-239-#### | Ludington | Wireless |
| 1-231-240-#### | Lake Ann | Landline |
| 1-231-241-#### | Pentwater | Landline |
| 1-231-242-#### | Harbor Springs | Landline |
| 1-231-243-#### | Alanson | Landline |
| 1-231-245-#### | Newaygo | Wireless |
| 1-231-249-#### | Cheboygan | Landline |
| 1-231-250-#### | Big Rapids | Wireless |
| 1-231-255-#### | Onekama | Landline |
| 1-231-256-#### | Lake Leelanau | Landline |
| 1-231-258-#### | Kalkaska | Landline |
| 1-231-259-#### | Shelby | Landline |
| 1-231-262-#### | Elmira | Landline |
| 1-231-263-#### | Kingsley | Landline |
| 1-231-264-#### | Elk Rapids | Landline |
| 1-231-265-#### | Unknown | |
| 1-231-266-#### | Irons | Landline |
| 1-231-267-#### | Williamsburg | Landline |
| 1-231-268-#### | Cheboygan | Wireless |
| 1-231-269-#### | Buckley | Landline |
| 1-231-271-#### | Suttons Bay | Landline |
| 1-231-274-#### | Traverse City | Wireless |
| 1-231-275-#### | Lake Ann | Landline |
| 1-231-276-#### | Lake Ann | Landline |
| 1-231-282-#### | Grant | Landline |
| 1-231-286-#### | Muskegon | Wireless |
| 1-231-287-#### | Big Rapids | Wireless |
| 1-231-288-#### | Muskegon | Wireless |
| 1-231-290-#### | Indian River | Landline |
| 1-231-291-#### | Muskegon | Landline |
| 1-231-292-#### | Whitehall | Landline |
| 1-231-295-#### | Lake City | Landline |
| 1-231-299-#### | Manistee | Wireless |
| 1-231-301-#### | Hart | Wireless |
| 1-231-302-#### | Petoskey | Landline |
| 1-231-303-#### | Newaygo | Landline |
| 1-231-305-#### | Big Rapids | Landline |
| 1-231-306-#### | Cadillac | Landline |
| 1-231-307-#### | Morley | Landline |
| 1-231-308-#### | Charlevoix | Landline |
| 1-231-309-#### | Manistee | Landline |
| 1-231-312-#### | Frankfort | Landline |
| 1-231-313-#### | Traverse City | Landline |
| 1-231-314-#### | Kalkaska | Landline |
| 1-231-315-#### | Muskegon | Landline |
| 1-231-316-#### | Ludington | Landline |
| 1-231-317-#### | Boyne City | Landline |
| 1-231-318-#### | Traverse City | Landline |
| 1-231-319-#### | Mackinaw City | Landline |
| 1-231-322-#### | Rapid City | Landline |
| 1-231-323-#### | East Jordan | Landline |
| 1-231-325-#### | Honor | Landline |
| 1-231-326-#### | Empire | Landline |
| 1-231-327-#### | Muskegon | Wireless |
| 1-231-328-#### | Merritt | Landline |
| 1-231-329-#### | Muskegon | Wireless |
| 1-231-330-#### | Petoskey | Wireless |
| 1-231-331-#### | Alden | Landline |
| 1-231-332-#### | Muskegon | Landline |
| 1-231-333-#### | Cheboygan | Landline |
| 1-231-334-#### | Glen Arbor | Landline |
| 1-231-335-#### | Fremont | Landline |
| 1-231-336-#### | Ludington | Landline |
| 1-231-337-#### | Mc Bain | Landline |
| 1-231-338-#### | Baldwin | Landline |
| 1-231-339-#### | Muskegon | Wireless |
| 1-231-340-#### | Elmira | Wireless |
| 1-231-341-#### | Cheboygan | Wireless |
| 1-231-342-#### | Traverse City | Wireless |
| 1-231-343-#### | Muskegon | Landline |
| 1-231-344-#### | Petoskey | Landline |
| 1-231-345-#### | Reed City | Landline |
| 1-231-346-#### | Traverse City | Landline |
| 1-231-347-#### | Petoskey | Landline |
| 1-231-348-#### | Petoskey | Landline |
| 1-231-349-#### | Big Rapids | Wireless |
| 1-231-350-#### | Bellaire | Wireless |
| 1-231-351-#### | Scottville | Landline |
| 1-231-352-#### | Frankfort | Landline |
| 1-231-353-#### | Mc Bain | Landline |
| 1-231-354-#### | Coral | Landline |
| 1-231-355-#### | Fremont | Landline |
| 1-231-356-#### | Mancelona | Landline |
| 1-231-357-#### | Traverse City | Wireless |
| 1-231-358-#### | Central Lake | Landline |
| 1-231-359-#### | Mecosta | Landline |
| 1-231-360-#### | Traverse City | Wireless |
| 1-231-361-#### | Morley | Landline |
| 1-231-362-#### | Kaleva | Landline |
| 1-231-363-#### | Cheboygan | Landline |
| 1-231-365-#### | Wolverine | Landline |
| 1-231-366-#### | Fruitport | Landline |
| 1-231-368-#### | Baldwin | Landline |
| 1-231-369-#### | South Boardman | Landline |
| 1-231-372-#### | Evart | Landline |
| 1-231-373-#### | Petoskey | Wireless |
| 1-231-375-#### | Muskegon | Landline |
| 1-231-377-#### | Alden | Landline |
| 1-231-378-#### | Thompsonville | Landline |
| 1-231-382-#### | Cadillac | Wireless |
| 1-231-383-#### | Beulah | Wireless |
| 1-231-384-#### | Kalkaska | Wireless |
| 1-231-386-#### | Northport | Landline |
| 1-231-388-#### | Leroy | Wireless |
| 1-231-389-#### | Harrietta | Landline |
| 1-231-392-#### | Traverse City | Landline |
| 1-231-394-#### | Merritt | Wireless |
| 1-231-395-#### | Grant | Landline |
| 1-231-398-#### | Manistee | Landline |
| 1-231-399-#### | Frankfort | Landline |
| 1-231-403-#### | Williamsburg | Landline |
| 1-231-404-#### | Stanwood | Wireless |
| 1-231-408-#### | Big Rapids | Landline |
| 1-231-409-#### | Traverse City | Landline |
| 1-231-412-#### | Harbor Spgs | Landline |
| 1-231-414-#### | Newaygo | Landline |
| 1-231-416-#### | Big Rapids | Wireless |
| 1-231-420-#### | Cheboygan | Wireless |
| 1-231-421-#### | Traverse City | Landline |
| 1-231-423-#### | Evart | Landline |
| 1-231-424-#### | Branch | Landline |
| 1-231-425-#### | Ludington | Landline |
| 1-231-427-#### | Mackinaw City | Landline |
| 1-231-429-#### | Cadillac | Wireless |
| 1-231-432-#### | Northport | Wireless |
| 1-231-433-#### | Merritt | Wireless |
| 1-231-435-#### | Cadillac | Landline |
| 1-231-436-#### | Mackinaw City | Landline |
| 1-231-437-#### | Charlevoix | Landline |
| 1-231-438-#### | Manistee | Landline |
| 1-231-439-#### | Petoskey | Landline |
| 1-231-440-#### | Baldwin | Landline |
| 1-231-441-#### | Fife Lake | Landline |
| 1-231-445-#### | Cheboygan | Wireless |
| 1-231-448-#### | Naubinway | Landline |
| 1-231-450-#### | Hesperia | Landline |
| 1-231-452-#### | Newaygo | Landline |
| 1-231-457-#### | Muskegon | Landline |
| 1-231-459-#### | Boyne City | Landline |
| 1-231-460-#### | Big Rapids | Landline |
| 1-231-462-#### | Fountain | Landline |
| 1-231-463-#### | Traverse City | Landline |
| 1-231-464-#### | Free Soil | Landline |
| 1-231-465-#### | Reed City | Landline |
| 1-231-468-#### | Cadillac | Landline |
| 1-231-477-#### | Brethren | Landline |
| 1-231-480-#### | Ludington | Landline |
| 1-231-482-#### | Boyne City | Landline |
| 1-231-484-#### | East Jordan | Landline |
| 1-231-486-#### | Traverse City | Landline |
| 1-231-487-#### | Petoskey | Landline |
| 1-231-488-#### | Manistee | Landline |
| 1-231-492-#### | Traverse City | Wireless |
| 1-231-494-#### | Big Rapids | Wireless |
| 1-231-497-#### | Boyne City | Wireless |
| 1-231-498-#### | Elk Rapids | Landline |
| 1-231-499-#### | Traverse City | Wireless |
| 1-231-508-#### | Onekama | Landline |
| 1-231-510-#### | Traverse City | Wireless |
| 1-231-512-#### | Traverse City | Wireless |
| 1-231-514-#### | Cadillac | Wireless |
| 1-231-515-#### | Evart | Landline |
| 1-231-516-#### | Petoskey | Wireless |
| 1-231-518-#### | Kalkaska | Landline |
| 1-231-519-#### | Newaygo | Wireless |
| 1-231-520-#### | Charlevoix | Landline |
| 1-231-522-#### | Luther | Landline |
| 1-231-525-#### | Wolverine | Landline |
| 1-231-526-#### | Harbor Springs | Landline |
| 1-231-527-#### | Big Rapids | Landline |
| 1-231-529-#### | Brutus | Landline |
| 1-231-532-#### | Kalkaska | Wireless |
| 1-231-533-#### | Bellaire | Landline |
| 1-231-534-#### | Traverse City | Landline |
| 1-231-535-#### | Boyne City | Landline |
| 1-231-536-#### | East Jordan | Landline |
| 1-231-537-#### | Levering | Landline |
| 1-231-538-#### | Fremont | Landline |
| 1-231-539-#### | Pellston | Landline |
| 1-231-543-#### | Leroy | Landline |
| 1-231-544-#### | Central Lake | Landline |
| 1-231-546-#### | Elmira | Landline |
| 1-231-547-#### | Charlevoix | Landline |
| 1-231-548-#### | Alanson | Landline |
| 1-231-549-#### | Boyne Falls | Landline |
| 1-231-556-#### | Charlevoix | Landline |
| 1-231-557-#### | Muskegon | Wireless |
| 1-231-559-#### | Mc Bain | Landline |
| 1-231-563-#### | Muskegon | Landline |
| 1-231-564-#### | Kalkaska | Landline |
| 1-231-568-#### | Traverse City | Landline |
| 1-231-569-#### | Petoskey | Wireless |
| 1-231-570-#### | Fife Lake | Wireless |
| 1-231-571-#### | Muskegon | Landline |
| 1-231-577-#### | Cadillac | Landline |
| 1-231-578-#### | Muskegon | Landline |
| 1-231-580-#### | Big Rapids | Landline |
| 1-231-582-#### | Boyne City | Landline |
| 1-231-583-#### | Ludington | Landline |
| 1-231-584-#### | Elmira | Landline |
| 1-231-585-#### | Elmira | Landline |
| 1-231-587-#### | Mancelona | Landline |
| 1-231-588-#### | Ellsworth | Landline |
| 1-231-590-#### | Traverse City | Wireless |
| 1-231-591-#### | Big Rapids | Landline |
| 1-231-592-#### | Big Rapids | Landline |
| 1-231-593-#### | Cadillac | Landline |
| 1-231-594-#### | Hart | Landline |
| 1-231-596-#### | Harbor Springs | Landline |
| 1-231-597-#### | Cheboygan | Landline |
| 1-231-598-#### | Big Rapids | Landline |
| 1-231-599-#### | Central Lake | Landline |
| 1-231-604-#### | Kalkaska | Landline |
| 1-231-605-#### | Newaygo | Landline |
| 1-231-606-#### | Big Rapids | Landline |
| 1-231-607-#### | Cheboygan | Landline |
| 1-231-608-#### | Frankfort | Landline |
| 1-231-613-#### | Scottville | Wireless |
| 1-231-614-#### | Shelby | Landline |
| 1-231-615-#### | Cheboygan | Wireless |
| 1-231-620-#### | Traverse City | Landline |
| 1-231-622-#### | Petoskey | Landline |
| 1-231-623-#### | Wolverine | Landline |
| 1-231-624-#### | Kalkaska | Landline |
| 1-231-625-#### | Cheboygan | Landline |
| 1-231-626-#### | Levering | Landline |
| 1-231-627-#### | Cheboygan | Landline |
| 1-231-628-#### | Manistee | Wireless |
| 1-231-629-#### | Big Rapids | Landline |
| 1-231-631-#### | Traverse City | Wireless |
| 1-231-632-#### | Traverse City | Landline |
| 1-231-633-#### | Traverse City | Landline |
| 1-231-634-#### | Cheboygan | Landline |
| 1-231-635-#### | Mackinaw City | Landline |
| 1-231-636-#### | Howard City | Landline |
| 1-231-637-#### | Northport | Landline |
| 1-231-638-#### | Muskegon | Landline |
| 1-231-639-#### | Beulah | Landline |
| 1-231-640-#### | Lake Ann | Wireless |
| 1-231-642-#### | Traverse City | Landline |
| 1-231-643-#### | Morley | Landline |
| 1-231-644-#### | Brethren | Landline |
| 1-231-645-#### | Traverse City | Landline |
| 1-231-646-#### | Ellsworth | Landline |
| 1-231-647-#### | Coral | Landline |
| 1-231-648-#### | Howard City | Landline |
| 1-231-649-#### | Traverse City | Wireless |
| 1-231-651-#### | Beulah | Wireless |
| 1-231-652-#### | Newaygo | Landline |
| 1-231-656-#### | Kalkaska | Landline |
| 1-231-660-#### | Big Rapids | Landline |
| 1-231-662-#### | Irons | Landline |
| 1-231-667-#### | Marion | Wireless |
| 1-231-668-#### | Traverse City | Landline |
| 1-231-670-#### | Muskegon | Wireless |
| 1-231-672-#### | Muskegon | Landline |
| 1-231-674-#### | Grant | Landline |
| 1-231-675-#### | Boyne City | Wireless |
| 1-231-676-#### | Bellaire | Wireless |
| 1-231-678-#### | Brethren | Landline |
| 1-231-679-#### | Big Rapids | Wireless |
| 1-231-680-#### | Reed City | Landline |
| 1-231-681-#### | Fruitport | Landline |
| 1-231-682-#### | Alden | Landline |
| 1-231-683-#### | Muskegon | Landline |
| 1-231-686-#### | Frankfort | Landline |
| 1-231-689-#### | White Cloud | Landline |
| 1-231-690-#### | Ludington | Wireless |
| 1-231-693-#### | Indian River | Landline |
| 1-231-694-#### | Beulah | Landline |
| 1-231-695-#### | Howard City | Landline |
| 1-231-697-#### | Bellaire | Landline |
| 1-231-698-#### | Harrietta | Landline |
| 1-231-704-#### | Free Soil | Landline |
| 1-231-709-#### | Traverse City | Landline |
| 1-231-712-#### | Muskegon | Wireless |
| 1-231-714-#### | Traverse City | Wireless |
| 1-231-715-#### | Traverse City | Landline |
| 1-231-719-#### | Muskegon | Landline |
| 1-231-720-#### | Muskegon | Landline |
| 1-231-721-#### | Hart | Landline |
| 1-231-722-#### | Muskegon | Landline |
| 1-231-723-#### | Manistee | Landline |
| 1-231-724-#### | Muskegon | Landline |
| 1-231-725-#### | Muskegon | Landline |
| 1-231-726-#### | Muskegon | Landline |
| 1-231-727-#### | Muskegon | Landline |
| 1-231-728-#### | Muskegon | Landline |
| 1-231-729-#### | Irons | Wireless |
| 1-231-730-#### | Muskegon | Wireless |
| 1-231-731-#### | Shelby | Landline |
| 1-231-732-#### | Morley | Landline |
| 1-231-733-#### | Muskegon | Landline |
| 1-231-734-#### | Evart | Landline |
| 1-231-735-#### | Traverse City | Landline |
| 1-231-736-#### | Muskegon | Landline |
| 1-231-737-#### | Muskegon | Landline |
| 1-231-739-#### | Muskegon | Landline |
| 1-231-740-#### | Muskegon | Wireless |
| 1-231-741-#### | Wellston | Landline |
| 1-231-742-#### | Hart | Wireless |
| 1-231-743-#### | Marion | Landline |
| 1-231-744-#### | Muskegon | Landline |
| 1-231-745-#### | Baldwin | Landline |
| 1-231-747-#### | Muskegon | Landline |
| 1-231-750-#### | Muskegon | Wireless |
| 1-231-753-#### | Petoskey | Landline |
| 1-231-754-#### | Mancelona | Landline |
| 1-231-755-#### | Muskegon | Landline |
| 1-231-757-#### | Scottville | Landline |
| 1-231-758-#### | Petoskey | Landline |
| 1-231-759-#### | Muskegon | Landline |
| 1-231-760-#### | Muskegon | Landline |
| 1-231-762-#### | Howard City | Landline |
| 1-231-764-#### | Fife Lake | Landline |
| 1-231-766-#### | Muskegon | Landline |
| 1-231-767-#### | Muskegon | Landline |
| 1-231-768-#### | Leroy | Landline |
| 1-231-769-#### | Muskegon | Landline |
| 1-231-773-#### | Muskegon | Landline |
| 1-231-774-#### | Interlochen | Landline |
| 1-231-775-#### | Cadillac | Landline |
| 1-231-776-#### | Petoskey | Landline |
| 1-231-777-#### | Muskegon | Landline |
| 1-231-778-#### | Traverse City | Landline |
| 1-231-779-#### | Cadillac | Landline |
| 1-231-780-#### | Norton Shores | Landline |
| 1-231-782-#### | Cheboygan | Landline |
| 1-231-785-#### | Fountain | Landline |
| 1-231-788-#### | Muskegon | Landline |
| 1-231-789-#### | Frankfort | Landline |
| 1-231-790-#### | Free Soil | Landline |
| 1-231-791-#### | Reed City | Landline |
| 1-231-792-#### | Mancelona | Landline |
| 1-231-793-#### | White Cloud | Landline |
| 1-231-794-#### | Manistee | Wireless |
| 1-231-796-#### | Big Rapids | Landline |
| 1-231-797-#### | Luther | Landline |
| 1-231-798-#### | Muskegon | Landline |
| 1-231-799-#### | Muskegon | Landline |
| 1-231-803-#### | Morley | Landline |
| 1-231-805-#### | Kaleva | Landline |
| 1-231-806-#### | Coral | Landline |
| 1-231-808-#### | Central Lake | Landline |
| 1-231-813-#### | Ludington | Landline |
| 1-231-818-#### | Cheboygan | Landline |
| 1-231-821-#### | Holton | Landline |
| 1-231-822-#### | Beulah | Landline |
| 1-231-823-#### | Stanwood | Landline |
| 1-231-824-#### | Manton | Landline |
| 1-231-825-#### | Mc Bain | Landline |
| 1-231-826-#### | Falmouth | Landline |
| 1-231-827-#### | Fife Lake | Landline |
| 1-231-828-#### | Twin Lake | Landline |
| 1-231-829-#### | Tustin | Landline |
| 1-231-830-#### | Muskegon | Landline |
| 1-231-832-#### | Reed City | Landline |
| 1-231-833-#### | Wolverine | Wireless |
| 1-231-834-#### | Grant | Landline |
| 1-231-835-#### | Maple City | Wireless |
| 1-231-836-#### | Evart | Landline |
| 1-231-837-#### | Fremont | Wireless |
| 1-231-838-#### | Pellston | Wireless |
| 1-231-839-#### | Lake City | Landline |
| 1-231-842-#### | Cadillac | Landline |
| 1-231-843-#### | Ludington | Landline |
| 1-231-844-#### | Indian River | Landline |
| 1-231-845-#### | Ludington | Landline |
| 1-231-846-#### | Cadillac | Landline |
| 1-231-848-#### | Wellston | Landline |
| 1-231-852-#### | Ludington | Landline |
| 1-231-853-#### | Ravenna | Landline |
| 1-231-854-#### | Hesperia | Landline |
| 1-231-855-#### | Muskegon | Landline |
| 1-231-856-#### | Morley | Landline |
| 1-231-859-#### | Irons | Landline |
| 1-231-861-#### | Shelby | Landline |
| 1-231-862-#### | Harrietta | Landline |
| 1-231-863-#### | Scottville | Landline |
| 1-231-864-#### | Bear Lake | Landline |
| 1-231-865-#### | Fruitport | Landline |
| 1-231-866-#### | Suttons Bay | Wireless |
| 1-231-867-#### | Rodney | Landline |
| 1-231-869-#### | Pentwater | Landline |
| 1-231-871-#### | Beulah | Landline |
| 1-231-872-#### | Reed City | Landline |
| 1-231-873-#### | Hart | Landline |
| 1-231-874-#### | Wolverine | Landline |
| 1-231-875-#### | Fruitport | Landline |
| 1-231-876-#### | Cadillac | Landline |
| 1-231-877-#### | Northport | Landline |
| 1-231-878-#### | Cadillac | Wireless |
| 1-231-879-#### | Fife Lake | Landline |
| 1-231-881-#### | Petoskey | Landline |
| 1-231-882-#### | Beulah | Landline |
| 1-231-883-#### | Traverse City | Landline |
| 1-231-884-#### | Cadillac | Landline |
| 1-231-885-#### | Mesick | Landline |
| 1-231-886-#### | Kalkaska | Landline |
| 1-231-887-#### | Manistee | Landline |
| 1-231-889-#### | Onekama | Landline |
| 1-231-890-#### | Traverse City | Landline |
| 1-231-893-#### | Whitehall | Landline |
| 1-231-894-#### | Whitehall | Landline |
| 1-231-896-#### | Coral | Landline |
| 1-231-898-#### | Baldwin | Landline |
| 1-231-899-#### | Northport | Landline |
| 1-231-902-#### | Hart | Landline |
| 1-231-903-#### | Muskegon | Landline |
| 1-231-907-#### | Ludington | Wireless |
| 1-231-908-#### | Mc Bain | Landline |
| 1-231-912-#### | Reed City | Wireless |
| 1-231-916-#### | Mancelona | Landline |
| 1-231-920-#### | Traverse City | Wireless |
| 1-231-922-#### | Traverse City | Landline |
| 1-231-923-#### | Hart | Landline |
| 1-231-924-#### | Fremont | Landline |
| 1-231-925-#### | Scottville | Landline |
| 1-231-926-#### | Kalkaska | Landline |
| 1-231-928-#### | Fremont | Landline |
| 1-231-929-#### | Traverse City | Landline |
| 1-231-930-#### | Beulah | Landline |
| 1-231-932-#### | Traverse City | Landline |
| 1-231-933-#### | Traverse City | Landline |
| 1-231-935-#### | Traverse City | Landline |
| 1-231-936-#### | Scottville | Landline |
| 1-231-937-#### | Howard City | Landline |
| 1-231-938-#### | Traverse City | Landline |
| 1-231-941-#### | Traverse City | Landline |
| 1-231-942-#### | Cadillac | Landline |
| 1-231-943-#### | Lake Ann | Landline |
| 1-231-944-#### | Traverse City | Landline |
| 1-231-946-#### | Traverse City | Landline |
| 1-231-947-#### | Traverse City | Landline |
| 1-231-955-#### | Muskegon | Landline |
| 1-231-962-#### | Kaleva | Landline |
| 1-231-970-#### | Bear Lake | Wireless |
| 1-231-972-#### | Mecosta | Landline |
| 1-231-974-#### | Grant | Landline |
| 1-231-981-#### | Whitehall | Landline |
| 1-231-994-#### | Lake Leelanau | Landline |
| 1-231-995-#### | Traverse City | Landline |
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About Area Code 231
Area code 231 is assigned to the geographic numbering plan serving Muskegon, Michigan.
Use the directory table to navigate through central office prefixes and explore individual telephone lines.