Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-320 A Moraga CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-331 A Antioch CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-344 A Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-410 A Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-438 A Orinda CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-441 A Antioch CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-444 A Lafayette CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-452 A Dublin-San Ramon CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-474 A Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-480 A Bishop Ranch CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-482 A Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-498 A Bishop Ranch CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-526 A Pittsburg CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-574 A Dublin-San Ramon CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 A Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-587 A Dublin-San Ramon CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-588 A Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-592 A Moraga CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 A Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 A Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-643 A Pittsburg West CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-667 A Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-678 A Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-701 A Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-723 A Martinez CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-724 A Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-725 A Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-726 A Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 A Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-791 A Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-809 A East Contra Costa CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-835 A Sunol CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-839 A Martinez CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-844 A Clayton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-849 A Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-954 A Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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