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231 Area Code 🌍☎️

Area Code Profile · Michigan

The 231 area code is located in the state of Michigan and covers 139 cities, serving a total population of approximately 240,011. Major cities covered by the 231 area code include Muskegon, Norton Shores, Traverse City, Muskegon Heights, Big Rapids (which represents the most populated areas). There are a total of 573 telephone prefix exchanges in this area code, which support an estimated 5,730,000 active or assignable phone numbers. These prefix lines are operated by 42 distinct carriers, with Muskegon as the primary rate center location.

Eastern Time139 Cities573 Prefixes

Reverse Phone Lookup in Muskegon, Michigan

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (231).

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1

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Provide any 10-digit phone number starting with the (231) area code.

2

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3

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Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 231.

34.3 y/oMedian Age
$81,300Median Income
$418,000Median Home Value
240,011Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 231.

Did you receive an unwanted call from a (231) phone number?

Help the community identify spammers by filing a comment.

(231) 580-5685May 20, 2026Robocall
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
See Details
(231) 593-5702May 19, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details
(231) 606-5719May 18, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details

Cities in the 231 Area Code

The most populous cities in area code 231 are: Muskegon (38,401), Norton Shores (23,994), Traverse City (14,674), Muskegon Heights (10,856), and Big Rapids (10,601).

Other cities in the 231 area code include:

Cadillac, Ludington, Manistee, Petoskey, Cheboygan, Wolf Lake, Fremont, Roosevelt Park, North Muskegon, Boyne City, Canadian Lakes, Whitehall, Charlevoix, Reed City, Montague, East Jordan, Hart, Shelby, Kalkaska, Newaygo, Indian River, Evart, Howard City, Twin Lake, Elk Rapids.

CityPopulation% in Area Code
Muskegon38,401100%
Norton Shores23,994100%
Traverse City14,674100%
Muskegon Heights10,856100%
Big Rapids10,601100%
Cadillac10,355100%
Ludington8,076100%
Manistee6,226100%
Petoskey5,67098%
Cheboygan4,867100%
Wolf Lake4,104100%
Fremont4,081100%
Roosevelt Park3,831100%
North Muskegon3,786100%
Boyne City3,735100%
Canadian Lakes2,756100%
Whitehall2,706100%
Charlevoix2,513100%
Reed City2,425100%
Montague2,361100%

Showing top 20 of 139 cities.

What Time Zone is Area Code 231?

Eastern Time Zone

Abbreviation: ET · UTC Offset: UTC-5

The 231 area code lies within the Eastern Time Zone (ET, UTC-5).

Nearby Area Codes

248Troy, Michigan269Kalamazoo, Michigan313Detroit, Michigan517Lansing, Michigan586Warren, Michigan616Grand Rapids, Michigan734Ann Arbor, Michigan810Flint, Michigan906Marquette, Michigan947Troy, Michigan

Phone Prefixes in the 231 Area Code

573 prefixes found · 42 carriers · 99 rate centers

PrefixCarrierRate Center
(231) 201NEW CINGULAR WIRELESS PCS, LLC - ILCHIPPEWALK
(231) 202NEW CINGULAR WIRELESS PCS, LLC - ILMECOSTA
(231) 203NEW CINGULAR WIRELESS PCS, LLC - ILALANSON
(231) 204USA MOBILITY WIRELESS, INC.FIFE LAKE
(231) 205TELNET WORLDWIDE, INC.BRUTUS
(231) 206OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMUSKEGON
(231) 207TELNET WORLDWIDE, INC.HONOR
(231) 208TELNET WORLDWIDE, INC.BOYNEFALLS
(231) 209TELNET WORLDWIDE, INC.SUTTONSBAY
(231) 210ONVOY, LLCV - MIST JAMES
(231) 212CENTURYLINK COMMUNICATIONS, LLCINTERLOCHN
(231) 213MICHIGAN BELL TEL COTRAVERSECY
(231) 214USA MOBILITY WIRELESS, INC.LE ROY
(231) 215CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MIMUSKEGON
(231) 216PEERLESS NETWORK OF MICHIGAN, LLC - MIFRANKFORT
(231) 217TELNET WORLDWIDE, INC.BEAR LAKE
(231) 218OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCTRAVERSECY
(231) 219TELNET WORLDWIDE, INC.MERRITT
(231) 220123.NET, INC.MUSKEGON
(231) 221CENTURYLINK COMMUNICATIONS, LLCHARBOR SPG
(231) 222LEVEL 3 COMMUNICATIONS, LLC - MIEASTJORDAN
(231) 223ACE TEL. CO. OF MICHIGAN, INC.OLDMISSION
(231) 224BANDWIDTH.COM CLEC, LLC - MIFREMONT
(231) 225LEVEL 3 COMMUNICATIONS, LLC - MIFREMONT
(231) 226TELNET WORLDWIDE, INC.GLEN LAKE
(231) 227CHARTER FIBERLINK - MICHIGAN, LLC - MIHONOR
(231) 228CENTURYTEL OF MICHIGAN, INC. DBA CENTURYLINKGLEN LAKE
(231) 229CENTURYTEL OF MICHIGAN, INC. DBA CENTURYLINKMOORESTOWN
(231) 230TELNET WORLDWIDE, INC.ELMIRA
(231) 232TELNET WORLDWIDE, INC.MOORESTOWN
(231) 233CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MILUDINGTON
(231) 234CHARTER FIBERLINK - MICHIGAN, LLC - MIBUCKLEY
(231) 235TELNET WORLDWIDE, INC.LEVERING
(231) 236TELNET WORLDWIDE, INC.LAKE CITY
(231) 237MICHIGAN BELL TEL COCHARLEVOIX
(231) 238MICHIGAN BELL TEL COINDIAN RIV
(231) 239CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MILUDINGTON
(231) 240TELNET WORLDWIDE, INC.LAKE ANN
(231) 241DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MIPENTWATER
(231) 242MICHIGAN BELL TEL COHARBOR SPG
(231) 243TELNET WORLDWIDE, INC.ALANSON
(231) 244CENTURYLINK COMMUNICATIONS, LLCBOYNE CITY
(231) 245NEW CINGULAR WIRELESS PCS, LLC - ILNEWAYGO
(231) 246COMCAST IP PHONE, LLCMUSKEGON
(231) 247BANDWIDTH.COM CLEC, LLC - MIWILLIAMSBG
(231) 249BANDWIDTH.COM CLEC, LLC - MICHEBOYGAN
(231) 250CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MIBIG RAPIDS
(231) 251PEERLESS NETWORK OF MICHIGAN, LLC - MILKLEELANAU
(231) 252BANDWIDTH.COM CLEC, LLC - MITRAVERSECY
(231) 253OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCCADILLAC
(231) 254OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCPETOSKEY
(231) 255USA MOBILITY WIRELESS, INC.ONEKAMA
(231) 256MICHIGAN BELL TEL COLKLEELANAU
(231) 257PENINSULA FIBER NETWORK, LLC - MILAKE CITY
(231) 258MICHIGAN BELL TEL COKALKASKA
(231) 259CHARTER FIBERLINK - MICHIGAN, LLC - MISHELBY
(231) 260OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMUSKEGON
(231) 261PENINSULA FIBER NETWORK, LLC - MILUDINGTON
(231) 262ACD TELECOM, INC. - MIELMIRA
(231) 263CENTURY TEL CO NORTHERN MICHIGAN DBA CENTURYLINKKINGSLEY
(231) 264MICHIGAN BELL TEL COELK RAPIDS
(231) 265CHARTER FIBERLINK - MICHIGAN, LLC - MICORAL
(231) 266MICHIGAN BELL TEL COIRONS
(231) 267MICHIGAN BELL TEL COWILLIAMSBG
(231) 268CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MICHEBOYGAN
(231) 269ACE TEL. CO. OF MICHIGAN, INC.BUCKLEY
(231) 270ONVOY, LLCV - MIBOYNE CITY
(231) 271CENTURYTEL OF MICHIGAN, INC. DBA CENTURYLINKSUTTONSBAY
(231) 272ONVOY, LLCV - MIKINGSLEY
(231) 273ONVOY, LLCV - MIEASTPORT
(231) 274AMERICAN MESSAGING SERVICES, LLCTRAVERSECY
(231) 275CENTURYTEL OF MICHIGAN, INC. DBA CENTURYLINKLAKE ANN
(231) 276MICHIGAN BELL TEL COINTERLOCHN
(231) 277ONVOY, LLCV - MIFOUNTAIN
(231) 278ONVOY SPECTRUM, LLCHESPERIA
(231) 279LEVEL 3 COMMUNICATIONS, LLC - MIBIG RAPIDS
(231) 280ONVOY, LLCV - MIMANCELONA
(231) 281NEW CINGULAR WIRELESS PCS, LLC - ILCADILLAC
(231) 282NEW CINGULAR WIRELESS PCS, LLC - ILGRANT
(231) 283ONVOY, LLCV - MIMUSKEGON
(231) 284OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCMANISTEE
(231) 285OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLCCADILLAC
(231) 286CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MIMUSKEGON
(231) 287CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MIBIG RAPIDS
(231) 288NEW CINGULAR WIRELESS PCS, LLC - ILMUSKEGON
(231) 289BANDWIDTH.COM CLEC, LLC - MICHARLEVOIX
(231) 290NEW CINGULAR WIRELESS PCS, LLC - ILINDIAN RIV
(231) 291TELNET WORLDWIDE, INC.MUSKEGON
(231) 292CHARTER FIBERLINK - MICHIGAN, LLC - MIWHITEHALL
(231) 293HD CARRIER LLCFRANKFORT
(231) 294ONVOY, LLCV - MIFIFE LAKE
(231) 295CHARTER FIBERLINK - MICHIGAN, LLC - MILAKE CITY
(231) 296CHARTER FIBERLINK - MICHIGAN, LLC - MIFREMONT
(231) 297ONVOY, LLCV - MIKINGSLEY
(231) 298CHARTER FIBERLINK - MICHIGAN, LLC - MIIRONS
(231) 299METROPCS, INC.MANISTEE
(231) 300ONVOY, LLCV - MIALDEN
(231) 301CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MIHART
(231) 302BANDWIDTH.COM CLEC, LLC - MIPETOSKEY
(231) 303TELEPORT COMMUNICATIONS AMERICA, LLC - MINEWAYGO

Showing first 100 of 573 prefixes.

Frequently Asked Questions

Where is area code 231?
Area code 231 is located in Michigan, covering cities including Muskegon, Norton Shores, Traverse City.
What time zone is area code 231?
Area code 231 is in the Eastern Time Zone (ET, UTC-5).
What state is area code 231?
Area code 231 is in Michigan.