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: 438

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
657-438 A Orange CA LSANCARC86Z  996H AIRESPRING, INC. 730      
657-438 0 Orange CA LSANCARC86Z  996H AIRESPRING, INC. 730   2020-08-01   
657-438 1 Orange CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-09-15   
657-438 2 Orange CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2020-08-13   
657-438 3 Orange CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2020-08-13   
657-438 4 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-02   
657-438 5 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-02   
657-438 6 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-18   
657-438 7 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-18   
657-438 8 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-18   
657-438 9 Orange CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2020-08-02   

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

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