Area Code 520-921 located in COTTONWOOD, YAVAPAI, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 921 City : COTTONWOOD County : YAVAPAI State : AZ (Arizona) NXX Use Type : Wireless NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 04025 LATA (Local Access Transport Area) : 666 Rate Center : SEDONA ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 86326 Other Information NPANXX : 520921 County Population : 0 Switch CLLI (Common Language Location Identifier) : TEMPAZNR1MD MSA CBSA (Core Based Statistical Area) : Prescott, AZ MSA CBSA Code (Core Based Statistical Area) : 39140 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : CORNVILLE Latitude : 34.7251 Longitude : -111.8717 ‹ previous : 520-918 next › : 520-921 Telephone Number List 520-921-0000 ~ 520-921-9999