Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 472

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-472 A Princess Anne MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-05-17   
667-472 0 Princess Anne MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-05-17   
667-472 1 Princess Anne MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2024-07-12   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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