North American Telephone Operator
North American
Telephone Operator

Telephone Area 231. .

Phone numbers of the state Michigan
Prefix: +1231
This prefix is distributed within the state Michigan
The largest city in the region is Muskegon
Time Zone: Eastern
Winter time: UTC-5
Summer time: UTC-4
Below on the map, there is indicated the largest city in the telephone area +1-231-...-.... Michigan Muskegon.

In the United States, telephone numbers are divided into a country code (+1), an area code (or prefix), which is three digits long, and a subscriber number (seven digits). These are just a few examples, and there are over 300 area codes in the United States. Each code can cover both large cities and less populated areas depending on population density and telephone network distribution.

The table below shows the main major cities and telecom operators.

If you notice any errors of any community’s location on the map, please report it via the feedback form.

Phone numbers +1-231-YYY-YYYY

Other pages: 23456
Company District Major City Prefix
Centennial Michiana License Company LLCMecostaRodney, MI+1-231201-SSSS
Centennial Michiana License Company LLCMecostaMecosta, MI+1-231202-SSSS
New Cingular Wireless PCS - ILEmmetAlanson, MI+1-231203-SSSS
Usa Mobility WirelessKalkaskaFife Lake, MI+1-231204-SSSS
Telnet WorldwideEmmetBrutus, MI+1-231205-SSSS
Nextel CommunicationsMuskegonMuskegon, MI+1-231206-SSSS
Telnet WorldwideBenzieHonor, MI+1-231207-SSSS
Telnet WorldwideCharlevoixBoyne Falls, MI+1-231208-SSSS
Telnet WorldwideLeelanauSuttons Bay, MI+1-231209-SSSS
Usa Mobility WirelessOsceolaLeroy, MI+1-231214-SSSS
Cellco Partnership DBA Verizon WirelessMuskegonMuskegon, MI+1-231215-SSSS
Telnet WorldwideManisteeBear Lake, MI+1-231217-SSSS
Nextel CommunicationsGrand TraverseTraverse City, MI+1-231218-SSSS
Telnet WorldwideMissaukeeMerritt, MI+1-231219-SSSS
Local Exchange Carriers Of MichiganMuskegonMuskegon, MI+1-231220-SSSS
Level 3 CommunicationsCharlevoixEast Jordan, MI+1-231222-SSSS
Peninsula Telephone Co.AntrimElk Rapids, MI+1-231223-SSSS
LucreNewaygoFremont, MI+1-231224-SSSS
Level 3 CommunicationsNewaygoFremont, MI+1-231225-SSSS
Telnet WorldwideLeelanauEmpire, MI+1-231226-SSSS
Manistee+1-231227-SSSS
Centurytel Of Michigan Inc DBA CenturylinkLeelanauCedar, MI+1-231228-SSSS
Centurytel Of Michigan Inc DBA CenturylinkMissaukeeMerritt, MI+1-231229-SSSS
Telnet WorldwideOtsegoElmira, MI+1-231230-SSSS
Telnet WorldwideMissaukeeMerritt, MI+1-231232-SSSS
Verizon Wireless (vaw)MasonLudington, MI+1-231233-SSSS
Telnet WorldwideEmmetLevering, MI+1-231235-SSSS
Telnet WorldwideMissaukeeLake City, MI+1-231236-SSSS
Ameritech MichiganCharlevoixCharlevoix, MI+1-231237-SSSS
Ameritech MichiganCheboyganIndian River, MI+1-231238-SSSS
Verizon Wireless (vaw)MasonLudington, MI+1-231239-SSSS
Telnet WorldwideBenzieLake Ann, MI+1-231240-SSSS
Daystarr DBA Daystarr CommunicationsPentwater, MI+1-231241-SSSS
Ameritech MichiganEmmetHarbor Springs, MI+1-231242-SSSS
Telnet WorldwideEmmetAlanson, MI+1-231243-SSSS
New Cingular Wireless PCS - ILNewaygo, MI+1-231245-SSSS
LucreCheboyganCheboygan, MI+1-231249-SSSS
Verizon Wireless (vaw)MecostaBig Rapids, MI+1-231250-SSSS
Usa Mobility WirelessManisteeOnekama, MI+1-231255-SSSS
Ameritech MichiganLeelanauLake Leelanau, MI+1-231256-SSSS
Ameritech MichiganKalkaskaKalkaska, MI+1-231258-SSSS
Charter Fiberlink - MichiganShelby, MI+1-231259-SSSS
Acd TelecomOtsegoElmira, MI+1-231262-SSSS
Century Tel Co Northern Michigan DBA CenturylinkGrand TraverseKingsley, MI+1-231263-SSSS
Ameritech MichiganAntrimElk Rapids, MI+1-231264-SSSS
Ameritech MichiganLakeIrons, MI+1-231266-SSSS
Ameritech MichiganGrand TraverseWilliamsburg, MI+1-231267-SSSS
Cellco Partnership DBA Verizon WirelessCheboyganCheboygan, MI+1-231268-SSSS
Ace Telephone Co. Of MichiganWexfordBuckley, MI+1-231269-SSSS
Centurytel Of Michigan Inc DBA CenturylinkLeelanauSuttons Bay, MI+1-231271-SSSS
American Messaging (am)Grand TraverseTraverse City, MI+1-231274-SSSS
Centurytel Of Michigan Inc DBA CenturylinkBenzieLake Ann, MI+1-231275-SSSS
Ameritech MichiganBenzieLake Ann, MI+1-231276-SSSS
New Cingular Wireless PCS - ILNewaygoGrant, MI+1-231282-SSSS
Cellco Partnership DBA Verizon WirelessMuskegonMuskegon, MI+1-231286-SSSS
Verizon Wireless (vaw)MecostaBig Rapids, MI+1-231287-SSSS
New Cingular Wireless PCS - ILMuskegonMuskegon, MI+1-231288-SSSS
New Cingular Wireless PCS - ILCheboyganIndian River, MI+1-231290-SSSS
Charter Fiberlink - MichiganWhitehall, MI+1-231292-SSSS
Cellco Partnership DBA Verizon WirelessOceanaHart, MI+1-231301-SSSS
LucreEmmetPetoskey, MI+1-231302-SSSS
Tcg DetroitOsceola+1-231303-SSSS
Telnet WorldwideMecostaBig Rapids, MI+1-231305-SSSS
Telnet WorldwideWexfordCadillac, MI+1-231306-SSSS
Centennial Michiana License Company LLCMecostaMorley, MI+1-231307-SSSS
Telnet WorldwideCharlevoixCharlevoix, MI+1-231308-SSSS
Telnet WorldwideManisteeManistee, MI+1-231309-SSSS
Telnet WorldwideBenzieFrankfort, MI+1-231312-SSSS
New Cingular Wireless PCS - ILGrand TraverseTraverse City, MI+1-231313-SSSS
Telnet WorldwideKalkaskaKalkaska, MI+1-231314-SSSS
Usa Mobility WirelessMuskegonMuskegon, MI+1-231315-SSSS
Telnet WorldwideMasonLudington, MI+1-231316-SSSS
Usa Mobility WirelessCharlevoixBoyne City, MI+1-231317-SSSS
Usa Mobility WirelessGrand TraverseTraverse City, MI+1-231318-SSSS
Telnet WorldwideCheboyganMackinaw City, MI+1-231319-SSSS
Muskegon+1-231320-SSSS
Frontier NorthKalkaskaRapid City, MI+1-231322-SSSS
LucreCharlevoixEast Jordan, MI+1-231323-SSSS
Centurytel Of Michigan Inc DBA CenturylinkBenzieHonor, MI+1-231325-SSSS
Centurytel Of Michigan Inc DBA CenturylinkLeelanauEmpire, MI+1-231326-SSSS

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