Area Code 530-640 located in ALTURAS, MODOC, CA, more detail is as below. Place NPA (Numbering Plan Area) : 530 NXX (Local Number Prefix) : 640 City : ALTURAS County : MODOC State : CA (California) NXX Use Type : Wireless NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 06049 LATA (Local Access Transport Area) : 724 Rate Center : ALTURAS ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 96101 Other Information NPANXX : 530640 County Population : 0 Switch CLLI (Common Language Location Identifier) : ADINCAAACM1 Time Zone : Pacific (GMT -08:00) Observes Daylight Saving Time : Yes Company : UNITED STATES CELLULAR CORP. - CALIFORNIA OCN (Operating Company Number) : 6261 Coverage Area Name : ALTURAS Latitude : 41.4826 Longitude : -120.5420 ‹ previous : 530-639 next › : 530-641 Telephone Number List 530-640-0000 ~ 530-640-9999