Local Calling Guide

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NPA: 657 [Rate centres in NPA 657] [Dial plan for NPA 657]

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-255 A Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
657-255 0 Buena Park CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-12   
657-255 1 Buena Park CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-06-12   
657-255 2 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-03-24   
657-255 3 Buena Park CA IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2015-05-24   
657-255 4 Buena Park CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2016-02-27   
657-255 5 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-255 6 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-24   
657-255 7 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-29   
657-255 8 Buena Park CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-02-29   
657-255 9 Buena Park CA   829J PAETEC ITEL, LLC 730   2016-04-01   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

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