Area Code 515-220 located in CAMBRIDGE, STORY, IA, more detail is as below. Place NPA (Numbering Plan Area) : 515 NXX (Local Number Prefix) : 220 City : CAMBRIDGE County : STORY State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 2002-02-13 FIPS (Federal Information Processing Standards) : 19169 LATA (Local Access Transport Area) : 632 Rate Center : CAMBRIDGE ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 50046 Other Information NPANXX : 515220 County Population : 0 Switch CLLI (Common Language Location Identifier) : CMBRIAAD1MD 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 : HUXLEY COMMUNICATIONS COOPERATIVE - IA OCN (Operating Company Number) : 5852 Coverage Area Name : CAMBRIDGE Latitude : 41.9001 Longitude : -93.5228 ‹ previous : 515-219 next › : 515-221 Telephone Number List 515-220-0000 ~ 515-220-9999