Area code 231 covers part of Michiganstate, covering most of Newaygo, Muskegon, Grand Traverse, Cheboygan, Charlevoix counties. It was started on Jan 01, 2000. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to Michigan state include 248, 269, 313, 517, 586, 616, 734, 810, 906, 947, 989.
Date Changed | Change Details |
Mar 06, 2014 | Area code 231-202 subscribers are operational from Mar 06, 2014. |
Aug 15, 2013 | Area code 231-225 was introduced on May 10, 2005 and subscribers are operational from Aug 15, 2013. |
Aug 15, 2013 | Area code 231-224 was introduced on Apr 12, 2007 and subscribers are operational from Aug 15, 2013. |
Aug 06, 2013 | Area code 231-256 was introduced on Jul 11, 2013 and subscribers are operational from Aug 06, 2013. |
Aug 05, 2013 | Area code 231-206 subscribers are operational from Aug 05, 2013. |
Aug 05, 2013 | Area code 231-218 subscribers are operational from Aug 05, 2013. |
Area Code | City | County | Population | Network Operator |
231-201-0 | Wyoming | Mecosta | 42,798 | New Cingular Wireless PCS LLC - IL |
231-202-0 | Wyoming | Mecosta | 42,798 | New Cingular Wireless PCS LLC - IL |
231-203-2 | Traverse City | Emmet | 32,694 | Charter Fiberlink - Michigan LLC - MI |
231-203-0 | Wyoming | Emmet | 32,694 | New Cingular Wireless PCS LLC - IL |
231-204 | Grand Rapids | Grand Traverse | 86,986 | USA Mobility Wireless Inc |
231-205 | Grand Rapids | Emmet | 32,694 | Telnet Worldwide Inc |
231-206 | Kentwood | Muskegon | 172,188 | Sprint Spectrum LP |
231-207 | Grand Rapids | Benzie | 17,525 | Telnet Worldwide Inc |
231-208 | Grand Rapids | Charlevoix | 25,949 | Telnet Worldwide Inc |
231-209 | Grand Rapids | Leelanau | 21,708 | Telnet Worldwide Inc |
231-211 | 192,213 | Community Support And Referral Services | ||
231-214 | Grand Rapids | Osceola | 23,528 | USA Mobility Wireless Inc |
231-215 | Grand Rapids | Muskegon | 172,188 | Cellco Partnership dba Verizon Wireless - MI |
231-217 | Grand Rapids | Manistee | 24,733 | Telnet Worldwide Inc |
231-218 | Kentwood | Grand Traverse | 86,986 | Sprint Spectrum LP |
231-219 | Grand Rapids | Missaukee | 14,849 | Telnet Worldwide Inc |
231-220-0 | Grand Rapids | Muskegon | 172,188 | Local Exchange Carriers of Michigan Inc - MI |
231-220-8 | Kentwood | Muskegon | 172,188 | Sprint Spectrum LP |
231-220-5 | Wyoming | Muskegon | 172,188 | New Cingular Wireless PCS LLC - IL |
231-222-1 | Grand Rapids | Charlevoix | 25,949 | ACD Telecom Inc - MI |
231-222-5 | Grand Rapids | Charlevoix | 25,949 | Bandwidth.com CLEC LLC - MI |
231-222-7 | Grand Rapids | Charlevoix | 25,949 | Broadvox-CLEC LLC - MI |
231-222-0 | Grand Rapids | Charlevoix | 25,949 | Level 3 Communications LLC - MI |
231-222-3 | Grand Rapids | Charlevoix | 25,949 | Long Distance of Michigan Inc dba LDMI Telecommunications - MI |
231-222-8 | Grand Rapids | Charlevoix | 25,949 | Talk America Inc - MI |
231-222-2 | Traverse City | Charlevoix | 25,949 | Charter Fiberlink - Michigan LLC - MI |
231-223 | Old Mission | Grand Traverse | 86,986 | Peninsula Telephone Company |
231-224-6 | Grand Rapids | Newaygo | 48,460 | Bandwidth.com CLEC LLC - MI |
231-224-0 | Grand Rapids | Newaygo | 48,460 | Lucre Inc - MI |
231-224-3 | Kentwood | Newaygo | 48,460 | Sprint Spectrum LP |
231-225-7 | Grand Rapids | Newaygo | 48,460 | ACD Telecom Inc - MI |
231-225-3 | Grand Rapids | Newaygo | 48,460 | Brooks Fiber Communications of Michigan - MI |
231-225-0 | Grand Rapids | Newaygo | 48,460 | Level 3 Communications LLC - MI |
231-225-8 | Kentwood | Newaygo | 48,460 | Sprint Spectrum LP |
231-225-5 | Wyoming | Newaygo | 48,460 | New Cingular Wireless PCS LLC - IL |
231-226 | Grand Rapids | Leelanau | 21,708 | Telnet Worldwide Inc |
231-227-0 | Traverse City | Benzie | 17,525 | Charter Fiberlink - Michigan LLC - MI |
231-228 | Cedar | Leelanau | 21,708 | CenturyTel of Michigan Inc dba CenturyLink |
231-229 | Moorestown | Missaukee | 14,849 | CenturyTel of Michigan Inc dba CenturyLink |
231-230 | Grand Rapids | Otsego | 24,164 | Telnet Worldwide Inc |
231-232 | Grand Rapids | Missaukee | 14,849 | Telnet Worldwide Inc |
231-233 | Grand Rapids | Mason | 28,705 | Cellco Partnership dba Verizon Wireless - MI |
231-235 | Grand Rapids | Emmet | 32,694 | Telnet Worldwide Inc |
231-236 | Grand Rapids | Missaukee | 14,849 | Telnet Worldwide Inc |
231-237-0 | Charlevoix | Charlevoix | 25,949 | Ameritech Michigan |
231-237-3 | Grand Rapids | Charlevoix | 25,949 | ACD Telecom Inc - MI |
231-237-2 | Grand Rapids | Charlevoix | 25,949 | Broadvox-CLEC LLC - MI |
231-237-5 | Grand Rapids | Charlevoix | 25,949 | Level 3 Communications LLC - MI |
231-238-3 | Grand Rapids | Cheboygan | 26,152 | Bandwidth.com CLEC LLC - MI |
231-238-5 | Grand Rapids | Cheboygan | 26,152 | SBC Internet Services Inc |
231-238-0 | Indian River | Cheboygan | 26,152 | Ameritech Michigan |
231-238-2 | Traverse City | Cheboygan | 26,152 | Charter Fiberlink - Michigan LLC - MI |
231-239-0 | Grand Rapids | Mason | 28,705 | Cellco Partnership dba Verizon Wireless - MI |
231-239-6 | Grand Rapids | Mason | 28,705 | Onvoy Inc - MI |
231-240 | Grand Rapids | Benzie | 17,525 | Telnet Worldwide Inc |
231-241-1 | Grand Rapids | Oceana | 26,570 | Onvoy Inc - MI |
231-241-0 | Muskegon | Oceana | 26,570 | DayStarr LLC dba DayStarr Communications - MI |
231-242-9 | Grand Rapids | Emmet | 32,694 | ACD Telecom Inc - MI |
231-242-3 | Grand Rapids | Emmet | 32,694 | Bandwidth.com CLEC LLC - MI |
231-242-8 | Grand Rapids | Emmet | 32,694 | Level 3 Communications LLC - MI |
231-242-6 | Grand Rapids | Emmet | 32,694 | Long Distance of Michigan Inc dba LDMI Telecommunications - MI |
231-242-5 | Grand Rapids | Emmet | 32,694 | Talk America Inc - MI |
231-242-2 | Grand Rapids | Emmet | 32,694 | Telnet Worldwide Inc |
231-242-0 | Harbor Springs | Emmet | 32,694 | Ameritech Michigan |
231-242-4 | Traverse City | Emmet | 32,694 | Charter Fiberlink - Michigan LLC - MI |
231-243 | Grand Rapids | Emmet | 32,694 | Telnet Worldwide Inc |
231-245-1 | Grand Rapids | Newaygo | 48,460 | Bandwidth.com CLEC LLC - MI |
231-245-6 | Grand Rapids | Newaygo | 48,460 | Cellco Partnership dba Verizon Wireless - MI |
231-245-5 | Kentwood | Newaygo | 48,460 | Sprint Spectrum LP |
231-245-0 | Wyoming | Newaygo | 48,460 | New Cingular Wireless PCS LLC - IL |
231-249 | Grand Rapids | Cheboygan | 26,152 | Lucre Inc - MI |
231-250 | Grand Rapids | Mecosta | 42,798 | Cellco Partnership dba Verizon Wireless - MI |
231-255 | Grand Rapids | Manistee | 24,733 | USA Mobility Wireless Inc |
231-256-1 | Grand Rapids | Leelanau | 21,708 | Level 3 Communications LLC - MI |
231-256-3 | Grand Rapids | Leelanau | 21,708 | Long Distance of Michigan Inc dba LDMI Telecommunications - MI |
231-256-5 | Grand Rapids | Leelanau | 21,708 | Teleport Communications America LLC - MI |
231-256-0 | Lake Leelanau | Leelanau | 21,708 | Ameritech Michigan |
231-258 | Kalkaska | Kalkaska | 17,153 | Ameritech Michigan |
231-259-0 | Allendale | Oceana | 26,570 | Charter Fiberlink - Michigan LLC - MI |
231-259-5 | Grand Rapids | Oceana | 26,570 | Level 3 Communications LLC - MI |
231-259-9 | Grand Rapids | Oceana | 26,570 | Onvoy Inc - MI |
231-262-0 | Grand Rapids | Otsego | 24,164 | ACD Telecom Inc - MI |
231-262-1 | Traverse City | Otsego | 24,164 | Charter Fiberlink - Michigan LLC - MI |
231-263-0 | Kingsley | Grand Traverse | 86,986 | Century Telephone of Northern Michigan Inc dba CenturyLink |
231-263-8 | Traverse City | Grand Traverse | 86,986 | Charter Fiberlink - Michigan LLC - MI |
231-264-0 | Elk Rapids | Antrim | 23,580 | Ameritech Michigan |
231-264-1 | Grand Rapids | Antrim | 23,580 | ACD Telecom Inc - MI |
231-264-4 | Grand Rapids | Antrim | 23,580 | Long Distance of Michigan Inc dba LDMI Telecommunications - MI |
231-264-7 | Grand Rapids | Antrim | 23,580 | Onvoy Inc - MI |
231-266-1 | Grand Rapids | Lake | 11,539 | ACD Telecom Inc - MI |
231-266-3 | Grand Rapids | Lake | 11,539 | Onvoy Inc - MI |
231-266-0 | Irons | Lake | 11,539 | Ameritech Michigan |
231-267-0 | Grand Rapids | Grand Traverse | 86,986 | ACD Telecom Inc - MI |
231-267-8 | Grand Rapids | Grand Traverse | 86,986 | Bandwidth.com CLEC LLC - MI |
231-267-6 | Grand Rapids | Grand Traverse | 86,986 | Level 3 Communications LLC - MI |
231-267-7 | Grand Rapids | Grand Traverse | 86,986 | Long Distance of Michigan Inc dba LDMI Telecommunications - MI |
231-267-2 | Grand Rapids | Grand Traverse | 86,986 | Talk America Inc - MI |
231-267-1 | Grand Rapids | Grand Traverse | 86,986 | Telnet Worldwide Inc |
231-267-4 | Traverse City | Grand Traverse | 86,986 | Brooks Fiber Communications of Michigan - MI |
231-267-3 | Traverse City | Grand Traverse | 86,986 | Charter Fiberlink - Michigan LLC - MI |
231-267-0 | Williamsburg | Grand Traverse | 86,986 | Ameritech Michigan |
231-268-7 | Grand Rapids | Cheboygan | 26,152 | Bandwidth.com CLEC LLC - MI |
231-268-3 | Traverse City | Cheboygan | 26,152 | Charter Fiberlink - Michigan LLC - MI |
231-269 | Buckley | Wexford | 32,735 | Ace Telephone Company of Michigan Inc |
231-271 | Suttons Bay | Leelanau | 21,708 | CenturyTel of Michigan Inc dba CenturyLink |
231-274 | Grand Rapids | Grand Traverse | 86,986 | American Messaging (AM) Inc |
231-275 | Lake Ann | Benzie | 17,525 | CenturyTel of Michigan Inc dba CenturyLink |
231-276-2 | Grand Rapids | Grand Traverse | 86,986 | Level 3 Communications LLC - MI |
231-276-0 | Grawn | Grand Traverse | 86,986 | Ameritech Michigan |
231-282-6 | Grand Rapids | Newaygo | 48,460 | ACD Telecom Inc - MI |
231-282-7 | Traverse City | Newaygo | 48,460 | Charter Fiberlink - Michigan LLC - MI |
231-286 | Grand Rapids | Muskegon | 172,188 | Cellco Partnership dba Verizon Wireless - MI |
231-287-5 | Grand Rapids | Mecosta | 42,798 | Bandwidth.com CLEC LLC - MI |
231-288-1 | Grand Rapids | Muskegon | 172,188 | Comcast Phone of Michigan LLC - MI |
231-290-5 | Grand Rapids | Cheboygan | 26,152 | Broadvox-CLEC LLC - MI |
231-290-0 | Wyoming | Cheboygan | 26,152 | New Cingular Wireless PCS LLC - IL |
231-291-0 | Grand Rapids | Muskegon | 172,188 | Telnet Worldwide Inc |
231-292-0 | Allendale | Muskegon | 172,188 | Charter Fiberlink - Michigan LLC - MI |
231-292-9 | Grand Rapids | Muskegon | 172,188 | Onvoy Inc - MI |
231-295-0 | Traverse City | Missaukee | 14,849 | Charter Fiberlink - Michigan LLC - MI |
231-299-8 | Grand Rapids | Manistee | 24,733 | Broadvox-CLEC LLC - MI |
231-299-6 | Grand Rapids | Manistee | 24,733 | Onvoy Inc - MI |
231-299-1 | Traverse City | Manistee | 24,733 | Charter Fiberlink - Michigan LLC - MI |
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