Area Code 989-358 located in ALPENA, ALPENA, MI, more detail is as below. Place NPA (Numbering Plan Area) : 989 NXX (Local Number Prefix) : 358 City : ALPENA County : ALPENA State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 26007 LATA (Local Access Transport Area) : 344 Rate Center : ALPENA ZIP Code Count : 721 ZIP Code Frequency : 99 ZIP Code : 49707 Other Information NPANXX : 989358 Switch CLLI (Common Language Location Identifier) : ALPEMIXGDS0 MSA CBSA (Core Based Statistical Area) : Alpena, MI MSA CBSA Code (Core Based Statistical Area) : 10980 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : FRONTIER NORTH, INC. - MI OCN (Operating Company Number) : 0695 Coverage Area Name : ALPENA Latitude : 45.0645 Longitude : -83.4418 ‹ previous : 989-356 next › : 989-359 Telephone Number List 989-358-0000 ~ 989-358-9999