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.

Switch: SLBRMD908MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-244 4 Still Pond MD 490J DISH WIRELESS, LLC 242   2024-01-08   
667-349 4 Still Pond MD 490J DISH WIRELESS, LLC 242   2024-05-11   
667-384 A Salisbury MD 490J DISH WIRELESS, LLC 242      
667-384 8 Salisbury MD 490J DISH WIRELESS, LLC 242   2022-06-06   
667-389 7 Cambridge MD 490J DISH WIRELESS, LLC 242   2022-12-20   
667-420 A Federalsburg MD 490J DISH WIRELESS, LLC 242      
667-420 9 Federalsburg MD 490J DISH WIRELESS, LLC 242   2023-01-26   
667-670 8 Sudlersville MD 490J DISH WIRELESS, LLC 242   2022-12-20   
667-743 1 Queenstown MD 490J DISH WIRELESS, LLC 242   2023-02-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.