Area Code 620-317 located in GREENWOOD, GREENWOOD, KS, more detail is as below. Place NPA (Numbering Plan Area) : 620 NXX (Local Number Prefix) : 317 City : GREENWOOD County : GREENWOOD State : KS (Kansas) NXX Intro Version : 4/14/2008 Rate Center : MADISON ZIP Code Count : 0 ZIP Code Frequency : 0 Other Information NPANXX : 620317 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 620-314 next › : 620-318 Telephone Number List 620-317-0000 ~ 620-317-9999