Area Code 760-523 located in ADELANTO, SAN BERNARDINO, CA, more detail is as below. Place NPA (Numbering Plan Area) : 760 NXX (Local Number Prefix) : 523 City : ADELANTO County : SAN BERNARDINO State : CA (California) NXX Use Type : Landline NXX Intro Version : 3/5/2007 FIPS (Federal Information Processing Standards) : 06071 LATA (Local Access Transport Area) : 730 Rate Center : VTVL ADLN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 92301 Other Information NPANXX : 760523 Switch CLLI (Common Language Location Identifier) : POMNCAAADS0 MSA CBSA (Core Based Statistical Area) : Riverside-San Bernardino-Ontario, CA MSA CBSA Code (Core Based Statistical Area) : 40140 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : MPOWER NETWORKS SERVICES INC. - CA OCN (Operating Company Number) : 748D Coverage Area Name : ADELANTO Latitude : 34.5698 Longitude : -117.3994 ‹ previous : 760-522 next › : 760-524 Telephone Number List 760-523-0000 ~ 760-523-9999