Area Code 520-220 located in SIERRA VISTA, COCHISE, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 220 City : SIERRA VISTA County : COCHISE State : AZ (Arizona) NXX Use Type : Wireless NXX Intro Version : 2002-10-25 FIPS (Federal Information Processing Standards) : 04003 LATA (Local Access Transport Area) : 668 Rate Center : SIERRAVIST ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 85635 Other Information NPANXX : 520220 County Population : 0 Switch CLLI (Common Language Location Identifier) : TCSMAZOI2MD MSA CBSA (Core Based Statistical Area) : Sierra Vista-Douglas, AZ MSA CBSA Code (Core Based Statistical Area) : 43420 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : SIERRA VISTA Latitude : 31.5560 Longitude : -110.3000 ‹ previous : 520-220 next › : 520-221 Telephone Number List 520-220-0000 ~ 520-220-9999
