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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-374 A Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-02-05   
667-374 0 Waterloo MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-02-05   
667-374 1 Waterloo MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-03-11   
667-374 2 Waterloo MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-04-21   
667-374 6 Waterloo MD   516J TON80 COMMUNICATIONS LLC 238   2022-03-26   
667-374 8 Waterloo MD   624H ONVOY SPECTRUM, LLC 238   2022-02-11   
667-374 9 Waterloo MD   624H ONVOY SPECTRUM, LLC 238   2022-02-11   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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