Skip to content

Michigan

Area code 231 reported phone numbers

Area code 231 is assigned to Michigan, with 572 prefixes in use held by 43 carriers and rate centers such as Muskegon, Traversecy, Petoskey, Cadillac, Big Rapids, Ludington. Consumers have filed 1,487 complaints about 1,402 numbers in this area code, and 11 of those numbers have enough reports to get their own page.

1,402Reported numbers
1,487Complaints
821Complaints, last 30 days
Oct 20, 2026Last complaint

Most reported 231 numbers in the last 30 days

Phone numberLast 30 daysMost reported topic
(231) 455-32098Other
(231) 468-67765Impostor calls
(231) 283-20274Other
(231) 202-23503Medical & prescriptions
(231) 241-89793Debt reduction
(231) 247-29682Medical & prescriptions
(231) 293-94252Dropped call or no message
(231) 359-30212Debt reduction
(231) 374-80762Debt reduction
(231) 462-82702Dropped call or no message
(231) 534-94772Not specified
(231) 535-00072Dropped call or no message
(231) 587-32352Other
(231) 667-63492Impostor calls
(231) 790-87632Debt reduction

Scammers often fake caller IDs with local area codes (“neighbor spoofing”) so their calls look familiar. A local number on this list may be spoofed rather than owned by the caller.

All 231 numbers with repeated complaints

Phone numberComplaintsTopicLast reported
(231) 455-32098OtherOct 20, 2026
(231) 283-20274OtherOct 20, 2026
(231) 202-23503Medical & prescriptionsOct 16, 2026
(231) 241-89793Debt reductionOct 9, 2026
(231) 468-67765Impostor callsOct 7, 2026
(231) 270-99373Debt reductionSep 23, 2026
(231) 296-76432Debt reductionSep 19, 2026
(231) 296-17413Not specifiedSep 15, 2026
(231) 434-09223Debt reductionSep 8, 2026
(231) 545-15693Not specifiedSep 5, 2025
(231) 786-738615Not specifiedMay 12, 2025

Robocall complaints in Michigan →