Area Code 989-238 located in WHITTEMORE, IOSCO, MI, more detail is as below. Place NPA (Numbering Plan Area) : 989 NXX (Local Number Prefix) : 238 City : WHITTEMORE County : IOSCO State : MI (Michigan) NXX Use Type : Landline NXX Intro Version : 2004-08-17 FIPS (Federal Information Processing Standards) : 26069 LATA (Local Access Transport Area) : 344 Rate Center : SANDLK HTS ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 48770 Other Information NPANXX : 989238 Switch CLLI (Common Language Location Identifier) : SGNWMIACCA0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : TELNET WORLDWIDE, INC. OCN (Operating Company Number) : 4632 Coverage Area Name : NATIONAL CITY Latitude : 44.3260 Longitude : -83.6761 ‹ previous : 989-237 next › : 989-238 Telephone Number List 989-238-0000 ~ 989-238-9999