Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 925 [Rate centres in NPA 925] [Dial plan for NPA 925]

NXX: 537

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
925-537 A Livermore CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722      
925-537 1 Livermore CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-09-10   
925-537 2 Livermore CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-10-21   
925-537 3 Livermore CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-10-21   
925-537 4 Livermore CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-10-21   
925-537 5 Livermore CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2025-07-25   
925-537 7 Livermore CA SNJUCACL9MD  516J TON80 COMMUNICATIONS, LLC 722   2022-03-17   
925-537 9 Livermore CA OKLECAZV1MD  6529 T-MOBILE USA, INC. 722   2024-08-11   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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