Area Code 620-709 located in COFFEYVILLE, MONTGOMERY, KS, more detail is as below. Place NPA (Numbering Plan Area) : 620 NXX (Local Number Prefix) : 709 City : COFFEYVILLE County : MONTGOMERY State : KS (Kansas) NXX Use Type : Landline NXX Intro Version : 2001-10-31 FIPS (Federal Information Processing Standards) : 20125 LATA (Local Access Transport Area) : 532 Rate Center : COFFEYVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 67337 Other Information NPANXX : 620709 Switch CLLI (Common Language Location Identifier) : CFVLKS10DS0 MSA CBSA (Core Based Statistical Area) : Coffeyville, KS MSA CBSA Code (Core Based Statistical Area) : 17700 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SOUTHWESTERN BELL OCN (Operating Company Number) : 9533 Coverage Area Name : COFFEYVILLE Latitude : 37.0303 Longitude : -95.6183 ‹ previous : 620-708 next › : 620-710 Telephone Number List 620-709-0000 ~ 620-709-9999