Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 657

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-657 A Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-657 0 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-07-30   
667-657 1 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-08-14   
667-657 2 Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-657 3 Chase MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-06   
667-657 4 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-657 5 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-11-26   
667-657 6 Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-05-22   
667-657 7 Chase MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-09-10   
667-657 8 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-09-22   
667-657 9 Chase MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-09-22   

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

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