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: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-407 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-407 0 Baltimore MD BLTMMDCHX7X  073H TELNYX LLC 238   2022-10-21   
667-407 1 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2022-07-23   
667-407 2 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-07-22   
667-407 3 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-07-22   
667-407 4 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-07-22   
667-407 5 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-07-22   
667-407 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-07-22   
667-407 7 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-07-22   
667-407 8 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2022-07-23   
667-407 9 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2022-07-23   

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

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