Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
925-931 3 Pleasanton CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2017-08-21   
925-951 3 Walnut Creek CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-05-07   
925-953 3 Walnut Creek CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-04-12   
925-953 8 Walnut Creek CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-03-14   
925-954 0 Walnut Creek CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-07-04   
925-967 1 Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-05-15   
925-967 5 Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-11-02   
925-967 8 Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2010-04-15   
925-973 9 Bishop Ranch CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2019-03-12   
925-979 8 Walnut Creek CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2011-02-05   
925-989 A Pleasanton CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-995 3 Concord CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-03-09   
925-995 4 Concord CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-03-09   
925-995 5 Concord CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-07-10   
925-995 7 Concord CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-10-21   
925-995 8 Concord CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-11   
925-995 9 Concord CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-05-25   
925-999 A Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722      
925-999 0 Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-10-08   
925-999 5 Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2012-06-19   
925-999 6 Dublin-San Ramon CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2015-07-29   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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