Area Code 520-918 located in TUCSON, PIMA, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 520 NXX (Local Number Prefix) : 918 City : TUCSON County : PIMA State : AZ (Arizona) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 04019 LATA (Local Access Transport Area) : 668 Rate Center : TUCSON ZIP Code Count : 4 ZIP Code Frequency : 13 ZIP Code : 85712 Other Information NPANXX : 520918 County Population : 0 MSA CBSA (Core Based Statistical Area) : Tucson, AZ MSA CBSA Code (Core Based Statistical Area) : 46060 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : BROOKS FIBER COMMUNICATIONS OF TUCSON, INC. - AZ OCN (Operating Company Number) : 7465 Coverage Area Name : TUCSON Latitude : 32.2231 Longitude : -110.9671 ‹ previous : 520-918 next › : 520-921 Telephone Number List 520-918-0000 ~ 520-918-9999