Area Code 928-388 located in YUMA, YUMA, AZ, more detail is as below. Place NPA (Numbering Plan Area) : 928 NXX (Local Number Prefix) : 388 City : YUMA County : YUMA State : AZ (Arizona) NXX Use Type : Wireless NXX Intro Version : 2005-03-27 FIPS (Federal Information Processing Standards) : 04027 LATA (Local Access Transport Area) : 666 Rate Center : YUMA ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 85365 Other Information NPANXX : 928388 Switch CLLI (Common Language Location Identifier) : YUMAAZDM0MD MSA CBSA (Core Based Statistical Area) : Yuma, AZ MSA CBSA Code (Core Based Statistical Area) : 49740 Time Zone : Mountain (GMT -07:00) Observes Daylight Saving Time : No Company : FLAT WEST WIRELESS, LLC OCN (Operating Company Number) : 9607 Coverage Area Name : YUMA Latitude : 32.7160 Longitude : -114.6218 ‹ previous : 928-388 next › : 928-392 Telephone Number List 928-388-0000 ~ 928-388-9999