Area Code 520-491 located in MORMON LAKE, COCONINO, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 491 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) : 666 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 : 520491 County Population : 0 Switch CLLI (Common Language Location Identifier) : TEMPAZNR1MD 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 : T-MOBILE USA, INC. OCN (Operating Company Number) : 6529 Coverage Area Name : FLAGSTAFF Latitude : 35.2036 Longitude : -111.6505 ‹ previous : 520-490 next › : 520-491 Telephone Number List 520-491-0000 ~ 520-491-9999