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Area Code Lookup

Area Code 831 Phone Lookup

California, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

332prefix records
28lookup pages
831area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Landline

(831) 740

CityOakland
CountyAlameda
CarrierTeleport Communications Group - San Francisco
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