Area Code 515-204 located in OGDEN, BOONE, IA, more detail is as below. Place NPA (Numbering Plan Area) : 515 NXX (Local Number Prefix) : 204 City : OGDEN County : BOONE State : IA (Iowa) NXX Use Type : Landline NXX Intro Version : 4/27/2006 FIPS (Federal Information Processing Standards) : 19015 LATA (Local Access Transport Area) : 632 Rate Center : OGDEN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 50212 Other Information NPANXX : 515204 County Population : 0 Switch CLLI (Common Language Location Identifier) : OGDNIAXXDS0 MSA CBSA (Core Based Statistical Area) : Boone, IA MSA CBSA Code (Core Based Statistical Area) : 14340 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Coverage Area Name : OGDEN Latitude : 42.0322 Longitude : -94.0236 ‹ previous : 515-203 next › : 515-205 Telephone Number List 515-204-0000 ~ 515-204-9999