Area Code 520-357 located in WINKELMAN, GILA, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 357 City : WINKELMAN County : GILA State : AZ (Arizona) NXX Use Type : Landline NXX Intro Version : 1995-02-11 FIPS (Federal Information Processing Standards) : 04007 LATA (Local Access Transport Area) : 668 Rate Center : HAYDEN ZIP Code Count : 290 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 85192 Other Information NPANXX : 520357 County Population : 0 Switch CLLI (Common Language Location Identifier) : DDVLAZNMRS1 MSA CBSA (Core Based Statistical Area) : Payson, AZ MSA CBSA Code (Core Based Statistical Area) : 37740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : QWEST CORPORATION OCN (Operating Company Number) : 9636 Coverage Area Name : DUDLEYVILLE Latitude : 32.9035 Longitude : -110.7178 ‹ previous : 520-356 next › : 520-358 Telephone Number List 520-357-0000 ~ 520-357-9999