Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cardiff, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-353 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-353 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-03-04   
667-353 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-12-19   
667-353 8 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-12-06   
667-353 9 BLTQMD01DS0  469J CORETEL MARYLAND, INC. - MD 238   2019-11-11   
667-395 A BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-395 0 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-04-23   
667-395 1 BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-04-24   

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

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