Area Code 612-309 located in INVER GROVE HEIGHTS, DAKOTA, MN, more detail is as below. Place NPA (Numbering Plan Area) : 612 NXX (Local Number Prefix) : 309 City : INVER GROVE HEIGHTS County : DAKOTA State : MN (Minnesota) NXX Use Type : Wireless NXX Intro Version : 1996-04-15 FIPS (Federal Information Processing Standards) : 27037 LATA (Local Access Transport Area) : 628 Rate Center : TWINCITIES ZIP Code Count : 1 ZIP Code Frequency : 20 ZIP Code : 55077 Other Information NPANXX : 612309 Switch CLLI (Common Language Location Identifier) : MPLSMNGTCM8 MSA CBSA (Core Based Statistical Area) : Minneapolis-St. Paul-Bloomington, MN-WI MSA CBSA Code (Core Based Statistical Area) : 33460 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - IL OCN (Operating Company Number) : 6534 Coverage Area Name : MINNEAPOLIS Latitude : 45.0436 Longitude : -93.2928 ‹ previous : 612-309 next › : 612-310 Telephone Number List 612-309-0000 ~ 612-309-9999