Area Code 515-203 located in AMES, STORY, IA, more detail is as below. Place NPA (Numbering Plan Area) : 515 NXX (Local Number Prefix) : 203 City : AMES County : STORY State : IA (Iowa) NXX Use Type : Wireless NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 19169 LATA (Local Access Transport Area) : 632 Rate Center : AMES ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 50014 Other Information NPANXX : 515203 County Population : 0 Switch CLLI (Common Language Location Identifier) : DESMIADT0MD MSA CBSA (Core Based Statistical Area) : Ames, IA MSA CBSA Code (Core Based Statistical Area) : 11180 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : AMES Latitude : 42.0233 Longitude : -93.6175 ‹ previous : 515-202 next › : 515-204 Telephone Number List 515-203-0000 ~ 515-203-9999