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.

Westminster, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
657-849 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-01   
657-849 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-01   
657-849 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-01   
657-849 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-01   
657-849 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-06-01   
657-870 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-870 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-05   
657-876 A BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-876 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-07-19   
657-887 A   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-887 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2026-11-07   
657-955 A LSANCAJWIMD  965H FRACTEL, LLC 730      
657-955 0 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 5 LSANCAJWIMD  965H FRACTEL, LLC 730   2020-10-31   
657-955 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-11-27   
657-955 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-955 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-11-01   
657-977 A LSANCAJWIMD  965H FRACTEL, LLC 730      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.