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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-664 A Trappe MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-664 0 Trappe MD SLBRMD901MD  939H COMMIO, LLC 242   2022-11-07   
667-664 2 Trappe MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-664 4 Trappe MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-03-05   
667-664 6 Trappe MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-12-11   
667-664 7 Trappe MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-12-11   
667-664 8 Trappe MD   568G PEERLESS NETWORK OF MARYLAND, LLC 242   2025-02-24   
667-664 9 Trappe MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2024-12-19   

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

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