Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 323 [Rate centres in NPA 323] [Dial plan for NPA 323]

NXX: 949

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
323-949 A Montebello CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
323-949 0 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-09-21   
323-949 1 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-09-21   
323-949 2 Montebello CA   649C ONVOY, LLC - CA 730   2023-10-15   
323-949 3 Montebello CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-04-05   
323-949 4 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-08-30   
323-949 5 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-08-30   
323-949 6 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-07-05   
323-949 7 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-07-05   
323-949 8 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-05-17   
323-949 9 Montebello CA   6529 T-MOBILE USA, INC. 730   2019-05-17   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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