Local Calling Guide

Area code/prefix search

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

NXX: 397

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-397 A Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
657-397 0 Santa Ana CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-17   
657-397 1 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2020-01-14   
657-397 2 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2020-01-14   
657-397 3 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2020-01-14   
657-397 4 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2019-12-25   
657-397 5 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2019-12-25   
657-397 6 Santa Ana CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2019-12-25   
657-397 7 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-01   
657-397 8 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-01   
657-397 9 Santa Ana CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-12-01   

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

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