Area Code 218-531 located in FERGUS FALLS, OTTER TAIL, MN, more detail is as below. Place NPA (Numbering Plan Area) : 218 NXX (Local Number Prefix) : 531 City : FERGUS FALLS County : OTTER TAIL State : MN (Minnesota) NXX Use Type : Wireless NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 27111 LATA (Local Access Transport Area) : 636 Rate Center : FERGUS FLS ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 56537 Other Information NPANXX : 218531 County Population : 0 Switch CLLI (Common Language Location Identifier) : FRFLMNFB1MD MSA CBSA (Core Based Statistical Area) : Fergus Falls, MN MSA CBSA Code (Core Based Statistical Area) : 22260 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : FERGUS FALLS Latitude : 46.2838 Longitude : -96.0670 ‹ previous : 218-530 next › : 218-532 Telephone Number List 218-531-0000 ~ 218-531-9999