Local Calling Guide

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

NXX: 409

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-409 A Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-409 0 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-10-01   
667-409 1 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2022-10-02   
667-409 2 Parkville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-02   
667-409 3 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-06-16   
667-409 4 Parkville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-409 5 Parkville MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2023-07-24   
667-409 6 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-17   
667-409 7 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-17   
667-409 8 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-17   
667-409 9 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-11-17   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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