Area Code 218-637 located in MENTOR, POLK, MN, more detail is as below. Place NPA (Numbering Plan Area) : 218 NXX (Local Number Prefix) : 637 City : MENTOR County : POLK State : MN (Minnesota) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 27119 LATA (Local Access Transport Area) : 636 Rate Center : MENTOR ZIP Code Count : 449 ZIP Code Frequency : 100 ZIP Code : 56736 Other Information NPANXX : 218637 County Population : 0 Switch CLLI (Common Language Location Identifier) : MNTRMNXM63G MSA CBSA (Core Based Statistical Area) : Grand Forks, ND-MN MSA CBSA Code (Core Based Statistical Area) : 24220 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : GARDEN VALLEY TELEPHONE CO. OCN (Operating Company Number) : 1395 Coverage Area Name : WINGER Latitude : 47.7016 Longitude : -96.1406 ‹ previous : 218-635 next › : 218-638 Telephone Number List 218-637-0000 ~ 218-637-9999