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.

Switch: SLNSCA01XEY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-837 8 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2022-07-11   
831-837 9 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2022-09-10   
831-855 8 Monterey CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2023-11-02   
831-859 2 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2024-11-08   
831-859 3 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2024-11-27   
831-877 0 Carmel CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2020-08-10   
831-884 3 Monterey CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-02-04   
831-887 8 Monterey CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2017-09-01   
831-902 8 Hollister CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-11-16   
831-902 9 Hollister CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-09-08   
831-975 0 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-09-04   
831-975 6 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2014-10-04   
831-998 0 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2005-10-16   
831-998 1 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2005-10-16   
831-998 2 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-12-02   
831-998 3 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-12-02   
831-998 4 Salinas CA 6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 736   2007-12-20   

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

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