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
925-526 8 Pittsburg CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-526 9 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      
925-574 2 Dublin-San Ramon CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-574 4 Dublin-San Ramon CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-574 7 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      
925-583 0 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 1 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 2 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 3 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 8 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-583 9 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      
925-588 2 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      
925-605 3 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 A Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 1 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 2 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 3 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 4 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 5 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 6 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-621 7 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      
925-627 1 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 2 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 3 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 4 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 5 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 7 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-627 9 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      
925-643 9 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      
925-667 2 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      
925-678 1 Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-678 2 Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-678 3 Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-678 8 Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-678 9 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      
925-701 2 Pleasanton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-701 3 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      
925-723 0 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      
925-724 0 Livermore CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-724 2 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      
925-726 2 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      
925-771 1 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 2 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 3 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 5 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 6 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 7 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-771 8 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      
925-791 2 Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-791 4 Danville CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-791 6 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      
925-809 3 East Contra Costa CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-809 9 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      
925-835 9 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      
925-839 2 Martinez CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-839 9 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      
925-844 9 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      
925-849 1 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-849 3 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-849 8 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-849 9 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-884 2 Bishop Ranch CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-887 1 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-887 2 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-887 3 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-887 5 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-887 7 Concord CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-889 1 Clayton CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
925-892 1 Pleasanton 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      
925-954 2 Walnut Creek CA 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      

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Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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