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: 287

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-287 A Bishopville MD SLBRMDSBX0Y  478J NUSO, LLC 242      
667-287 0 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-12-21   
667-287 1 Bishopville MD SLBRMDSBX0Y  478J NUSO, LLC 242   2020-10-27   
667-287 2 Bishopville MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-287 3 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-12-21   
667-287 4 Bishopville MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242   2022-04-04   
667-287 5 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 6 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 7 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 8 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 9 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.