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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-497 A Ocean City MD SLBRMDSBX8Y  7421 AT&T - LOCAL 242   2024-12-23   
667-497 0 Ocean City MD   876D ONVOY, LLC - MD 242   2025-05-10   
667-497 1 Ocean City MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2025-06-13   
667-497 9 Ocean City MD SLBRMDSBX8Y  7421 AT&T - LOCAL 242   2024-12-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.