Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

NXX: 252

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-252 A Fremont-Newark: Main DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-08-03   
341-252 0 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-09-14   
341-252 1 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-10-16   
341-252 2 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-11-12   
341-252 3 Fremont-Newark: Main DA CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-12-20   
341-252 4 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-19   
341-252 5 Fremont-Newark: Main DA CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2024-08-04   
341-252 6 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-19   
341-252 7 Fremont-Newark: Main DA CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2024-10-19   
341-252 9 Fremont-Newark: Main DA CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-08-03   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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