Area Code 517-251 located in LANSING, CLINTON, MI, more detail is as below. Place NPA (Numbering Plan Area) : 517 NXX (Local Number Prefix) : 251 City : LANSING County : CLINTON State : MI (Michigan) NXX Use Type : Wireless NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 26037 LATA (Local Access Transport Area) : 346 Rate Center : LANSING ZIP Code Count : 1 ZIP Code Frequency : 33 ZIP Code : 48906 Other Information NPANXX : 517251 County Population : 0 Switch CLLI (Common Language Location Identifier) : LNNGMIMNZJY 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 : AMERICAN MESSAGING (AM), INC. OCN (Operating Company Number) : 9748 Coverage Area Name : LANSING Latitude : 42.7332 Longitude : -84.5552 ‹ previous : 517-251 next › : 517-251 Telephone Number List 517-251-0000 ~ 517-251-9999