Area Code 480-237 located in PHOENIX, MARICOPA, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 480 NXX (Local Number Prefix) : 237 City : PHOENIX County : MARICOPA State : AZ (Arizona) NXX Use Type : Landline NXX Intro Version : 2001-03-03 FIPS (Federal Information Processing Standards) : 04013 LATA (Local Access Transport Area) : 666 Rate Center : PHOENIX ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 85004 Other Information NPANXX : 480237 County Population : 0 Switch CLLI (Common Language Location Identifier) : PHNXAZ19DS1 MSA CBSA (Core Based Statistical Area) : Phoenix-Mesa-Glendale, AZ MSA CBSA Code (Core Based Statistical Area) : 38060 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : ALLEGIANCE TELECOM OF ARIZONA, INC. OCN (Operating Company Number) : 1551 Coverage Area Name : PHOENIX Latitude : 33.4489 Longitude : -112.0694 ‹ previous : 480-236 next › : 480-238 Telephone Number List 480-237-0000 ~ 480-237-9999