Area Code 520-356 located in HAYDEN, GILA, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 356 City : HAYDEN 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 : 295 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 85135 Other Information NPANXX : 520356 County Population : 0 Switch CLLI (Common Language Location Identifier) : HYDNAZMARS1 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 : HAYDEN Latitude : 33.0024 Longitude : -110.7839 ‹ previous : 520-355 next › : 520-357 Telephone Number List 520-356-0000 ~ 520-356-9999