Area Code 231-330 located in PETOSKEY, EMMET, MI, more detail is as below. Place NPA (Numbering Plan Area) : 231 NXX (Local Number Prefix) : 330 City : PETOSKEY County : EMMET State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 2003-05-09 FIPS (Federal Information Processing Standards) : 26047 LATA (Local Access Transport Area) : 348 Rate Center : PETOSKEY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 49770 Other Information NPANXX : 231330 County Population : 0 Switch CLLI (Common Language Location Identifier) : TRCYMICQCM0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI OCN (Operating Company Number) : 6003 Coverage Area Name : PETOSKEY Latitude : 45.3738 Longitude : -84.9518 ‹ previous : 231-329 next › : 231-331 Telephone Number List 231-330-0000 ~ 231-330-9999