Area Code 517-204 located in DEWITT, CLINTON, MI, more detail is as below. Place NPA (Numbering Plan Area) : 517 NXX (Local Number Prefix) : 204 City : DEWITT County : CLINTON State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 26037 LATA (Local Access Transport Area) : 346 Rate Center : LANSING ZIP Code Count : 1 ZIP Code Frequency : 17 ZIP Code : 48820 Other Information NPANXX : 517204 County Population : 0 Switch CLLI (Common Language Location Identifier) : LNNGMIMNX5X MSA CBSA (Core Based Statistical Area) : Lansing-East Lansing, MI MSA CBSA Code (Core Based Statistical Area) : 29620 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : LANSING Latitude : 42.7332 Longitude : -84.5552 ‹ previous : 517-203 next › : 517-204 Telephone Number List 517-204-0000 ~ 517-204-9999