Area Code 515-239 located in AMES, STORY, IA, more detail is as below. Place NPA (Numbering Plan Area) : 515 NXX (Local Number Prefix) : 239 City : AMES County : STORY State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 19169 LATA (Local Access Transport Area) : 632 Rate Center : AMES ZIP Code Count : 17 ZIP Code Frequency : 7 ZIP Code : 50014 Other Information NPANXX : 515239 County Population : 0 Switch CLLI (Common Language Location Identifier) : AMESIATCDS0 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 : QWEST CORPORATION OCN (Operating Company Number) : 9631 Coverage Area Name : AMES Latitude : 42.0275 Longitude : -93.6150 ‹ previous : 515-238 next › : 515-239 Telephone Number List 515-239-0000 ~ 515-239-9999