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.

NPA: 350 [Rate centres in NPA 350] [Dial plan for NPA 350]

<< 1 2 3 4 5 6 7 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
350-223 3 Merced CA SKTNCACZ7MD  145J TERRA NOVA TELECOM INC. 738   2024-07-06   
350-223 4 Merced CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-06-23   
350-223 5 Merced CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-07-21   
350-223 6 Merced CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-08-25   
350-223 7 Merced CA   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 738   2025-08-21   
350-223 8 Merced CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-02-06   
350-224 A Atwater CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-07-20   
350-224 0 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-11-16   
350-224 1 Atwater CA TRLCCA160MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 738   2024-08-13   
350-224 2 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-06-20   
350-224 3 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-09-15   
350-224 5 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-09-15   
350-224 6 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-09-15   
350-224 7 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-07-21   
350-224 8 Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-07-21   
350-224 9 Atwater CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-07-20   
350-225 A Los Banos CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-225 0 Los Banos CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-225 1 Los Banos CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-225 2 Los Banos CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-08-31   
350-225 3 Los Banos CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-10-18   
350-225 5 Los Banos CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-11-30   
350-225 6 Los Banos CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-11-30   
350-225 7 Los Banos CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-11-22   
350-225 8 Los Banos CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-08-31   
350-225 9 Los Banos CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-08-31   
350-226 A Modesto CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-226 0 Modesto CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-226 1 Modesto CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-08-27   
350-226 2 Modesto CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-09-10   
350-226 3 Modesto CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-09-10   
350-226 4 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-09-22   
350-226 5 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-08-31   
350-226 6 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-08-31   
350-226 7 Modesto CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-10-16   
350-226 8 Modesto CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-10-21   
350-226 9 Modesto CA   732J NUSO, LLC 738   2025-08-10   
350-227 A Tracy CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-227 0 Tracy CA SKTNCA01XFY  649C ONVOY, LLC - CA 738   2024-08-26   
350-227 1 Tracy CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-11-02   
350-227 2 Tracy CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-08-31   
350-227 3 Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-01-13   
350-227 4 Tracy CA   649C ONVOY, LLC - CA 738   2025-05-10   
350-227 7 Tracy CA SKTNCACZ7MD  145J TERRA NOVA TELECOM INC. 738   2024-10-12   
350-227 8 Tracy CA   649C ONVOY, LLC - CA 738   2025-09-06   
350-227 9 Tracy CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-10-19   
350-228 A Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-09-27   
350-228 0 Stockton CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-11-27   
350-228 1 Stockton CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-11-27   
350-228 2 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-12-19   
350-228 3 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-12-19   
350-228 4 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-12-19   
350-228 5 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-12-19   
350-228 6 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-12-19   
350-228 7 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-09-27   
350-228 8 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-09-27   
350-228 9 Stockton CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-09-27   
350-229 A Manteca CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-09-30   
350-229 0 Manteca CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-09-30   
350-229 1 Manteca CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-09-30   
350-229 2 Manteca CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-09-30   
350-229 3 Manteca CA SKTNCACZ0MD  490J DISH WIRELESS, LLC 738   2025-01-23   
350-229 4 Manteca CA SKTNCACZ0MD  490J DISH WIRELESS, LLC 738   2024-10-14   
350-229 5 Manteca CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 6 Manteca CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 7 Manteca CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 8 Manteca CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-03-22   
350-229 9 Manteca CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-28   
350-230 A Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-10-21   
350-230 0 Modesto CA SKTNCASL5MD  732J NUSO, LLC 738   2024-10-22   
350-230 1 Modesto CA SKTNCASL5MD  732J NUSO, LLC 738   2024-10-22   
350-230 2 Modesto CA   624H ONVOY SPECTRUM, LLC 738   2025-02-21   
350-230 3 Modesto CA   624H ONVOY SPECTRUM, LLC 738   2025-02-21   
350-230 4 Modesto CA   624H ONVOY SPECTRUM, LLC 738   2025-02-21   
350-230 5 Modesto CA   624H ONVOY SPECTRUM, LLC 738   2025-02-21   
350-230 6 Modesto CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-04-05   
350-230 7 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-12-23   
350-230 8 Modesto CA SKTNCASL5MD  732J NUSO, LLC 738   2024-10-22   
350-230 9 Modesto CA SKTNCAGSGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 738   2024-10-21   
350-231 A Stockton CA SKTNCACZHMD  616J LEAP TELECOM, LLC 738   2024-11-22   
350-231 0 Stockton CA SKTNCACZHMD  616J LEAP TELECOM, LLC 738   2024-11-22   
350-231 1 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-02-23   
350-231 2 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-03-23   
350-231 3 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-04-23   
350-231 4 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-05-23   
350-231 5 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-06-23   
350-231 6 Stockton CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2025-07-23   
350-231 8 Stockton CA SKTNCASLAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 738   2024-12-27   
350-231 9 Stockton CA   6010 NEW CINGULAR WIRELESS PCS, LLC 738   2025-09-05   
350-232 A Pinecrest CA SKTNCA01X6Z  516C AT&T CORP. 738   2025-01-15   
350-232 2 Pinecrest CA SKTNCACZ7MD  145J TERRA NOVA TELECOM INC. 738   2025-01-16   
350-232 7 Pinecrest CA SKTNCA01X6Z  516C AT&T CORP. 738   2025-01-15   
350-233 A Atwater CA SKTOCAOY6MD  6529 T-MOBILE USA, INC. 738   2024-12-21   
350-233 0 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-06-20   
350-233 1 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-06-20   
350-233 2 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-06-20   
350-233 3 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-05-03   
350-233 4 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-05-03   
350-233 5 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-05-03   
350-233 6 Atwater CA   6529 T-MOBILE USA, INC. 738   2025-05-03   

<< 1 2 3 4 5 6 7 >>

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.