Area Code 231-377 located in BELLAIRE, ANTRIM, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 377 City : BELLAIRE County : ANTRIM State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 1999-07-22 FIPS (Federal Information Processing Standards) : 26009 LATA (Local Access Transport Area) : 348 Rate Center : CLAM RIVER ZIP Code Count : 709 ZIP Code Frequency : 82 ZIP Code : 49615 Other Information NPANXX : 231377 County Population : 0 Switch CLLI (Common Language Location Identifier) : CLRVMIXHRS0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - MI OCN (Operating Company Number) : 0695 Coverage Area Name : ALDEN Latitude : 44.9435 Longitude : -85.2809 ‹ previous : 231-377 next › : 231-378 Telephone Number List 231-377-0000 ~ 231-377-9999
