Area Code 520-310 located in MORMON LAKE, COCONINO, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 310 City : MORMON LAKE County : COCONINO State : AZ (Arizona) NXX Use Type : Wireless NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 04005 LATA (Local Access Transport Area) : 668 Rate Center : FLAGSTAFF ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 86038 Other Information NPANXX : 520310 County Population : 0 Switch CLLI (Common Language Location Identifier) : PHNXAZNEAMD MSA CBSA (Core Based Statistical Area) : Flagstaff, AZ MSA CBSA Code (Core Based Statistical Area) : 22380 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AZ OCN (Operating Company Number) : 6572 Coverage Area Name : TUCSON Latitude : 32.2276 Longitude : -110.9658 ‹ previous : 520-309 next › : 520-310 Telephone Number List 520-310-0000 ~ 520-310-9999