Area Code 620-922 located in COFFEYVILLE, MONTGOMERY, KS, more detail is as below. Place NPA (Numbering Plan Area) : 620 NXX (Local Number Prefix) : 922 City : COFFEYVILLE County : MONTGOMERY State : KS (Kansas) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 20125 LATA (Local Access Transport Area) : 532 Rate Center : EDNA ZIP Code Count : 75 ZIP Code Frequency : 14 ZIP Code : 67337 Other Information NPANXX : 620922 Switch CLLI (Common Language Location Identifier) : EDNAKSXADS0 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 : CRAW - KAN TELEPHONE COOPERATIVE, INC. - KANSAS OCN (Operating Company Number) : 1818 Coverage Area Name : EDNA Latitude : 37.0584 Longitude : -95.3609 ‹ previous : 620-921 next › : 620-922 Telephone Number List 620-922-0000 ~ 620-922-9999