Area Code 620-256 located in WAVERLY, COFFEY, KS, more detail is as below. Place NPA (Numbering Plan Area) : 620 NXX (Local Number Prefix) : 256 City : WAVERLY County : COFFEY State : KS (Kansas) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 20031 LATA (Local Access Transport Area) : 532 Rate Center : LEBO ZIP Code Count : 70 ZIP Code Frequency : 9 ZIP Code : 66871 Other Information NPANXX : 620256 Switch CLLI (Common Language Location Identifier) : LEBOKSXARS0 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : UNITED TEL OF EASTERN KANSAS DBA CENTURYLINK OCN (Operating Company Number) : 1810 Coverage Area Name : LEBO Latitude : 38.4161 Longitude : -95.8562 ‹ previous : 620-255 next › : 620-256 Telephone Number List 620-256-0000 ~ 620-256-9999