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: 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 2 Ocean City MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2025-07-31   
667-497 9 Ocean City MD SLBRMDSBX8Y  7421 AT&T - LOCAL 242   2024-12-23   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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