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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-588 A Brea CA LSANCAJWIMD  965H FRACTEL, LLC 730      
657-588 0 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-22   
657-588 1 Brea CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-05-22   
657-588 3 Brea CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-28   
657-588 4 Brea CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-05-22   
657-588 5 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-07-29   
657-588 6 Brea CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-07-29   
657-588 7 Brea CA LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2020-07-28   
657-588 8 Brea CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-07-27   
657-588 9 Brea CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-05-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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