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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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   
667-384 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: Sat, 05 Apr 2025 03:03:23 UTC

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