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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-856 A Dundalk MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-856 0 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2022-06-09   
667-856 1 Dundalk MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2023-04-15   
667-856 2 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-856 3 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-856 4 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-856 5 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-856 6 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-06-16   
667-856 7 Dundalk MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238   2022-05-03   
667-856 8 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-856 9 Dundalk MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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