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: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-304 A Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-304 0 Essex MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-304 1 Essex MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-304 2 Essex MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-304 3 Essex MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-304 4 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-304 5 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-304 6 Essex MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-304 7 Essex MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
667-304 8 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-304 9 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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