Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 722

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-722 A Garden Grove CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
657-722 0 Garden Grove CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-15   
657-722 1 Garden Grove CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-02   
657-722 2 Garden Grove CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-07-16   
657-722 3 Garden Grove CA LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-16   
657-722 4 Garden Grove CA LSANCAJW6MD  073H TELNYX LLC 730   2019-07-18   
657-722 5 Garden Grove CA LSANCAJWRMD  026K BARR TELL USA, LLC 730   2022-08-08   
657-722 6 Garden Grove CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2019-12-09   
657-722 7 Garden Grove CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-08-13   
657-722 8 Garden Grove CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2019-06-21   
657-722 9 Garden Grove CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2018-09-28   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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