Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

NXX: 423

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-423 A Perris CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
951-423 0 Perris CA   6529 T-MOBILE USA, INC. 730   2014-10-06   
951-423 1 Perris CA   6529 T-MOBILE USA, INC. 730   2014-10-06   
951-423 2 Perris CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-10-11   
951-423 3 Perris CA   321J HD CARRIER LLC 730   2014-09-03   
951-423 4 Perris CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2014-09-04   
951-423 5 Perris CA   6529 T-MOBILE USA, INC. 730   2014-10-06   
951-423 6 Perris CA   6529 T-MOBILE USA, INC. 730   2014-10-06   
951-423 7 Perris CA   508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-09-01   
951-423 8 Perris CA   6529 T-MOBILE USA, INC. 730   2014-10-06   
951-423 9 Perris CA   6529 T-MOBILE USA, INC. 730   2015-08-03   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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