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: SLBRMDSB8MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-226 3 Oxford MD 2589 US LEC OF MARYLAND, INC. 242      
410-275 6 Cecilton MD 2589 US LEC OF MARYLAND, INC. 242      
410-304 5 Queenstown MD 2589 US LEC OF MARYLAND, INC. 242      
410-390 4 Ocean City MD 2589 US LEC OF MARYLAND, INC. 242      
410-600 1 Berlin MD 2589 US LEC OF MARYLAND, INC. 242      
410-604 7 Stevensville MD 2589 US LEC OF MARYLAND, INC. 242      
410-621 8 Princess Anne MD 2589 US LEC OF MARYLAND, INC. 242      
443-258 2 Easton MD 2589 US LEC OF MARYLAND, INC. 242      
443-666 2 Chestertown MD 2589 US LEC OF MARYLAND, INC. 242      
443-972 A Cambridge MD 2589 US LEC OF MARYLAND, INC. 242      
443-972 4 Cambridge MD 2589 US LEC OF MARYLAND, INC. 242      
443-988 6 Centreville MD 2589 US LEC OF MARYLAND, INC. 242      
667-226 2 St Michaels MD 2589 US LEC OF MARYLAND, INC. 242      
667-281 2 Salisbury MD 2589 US LEC OF MARYLAND, INC. 242      
667-330 A Salisbury MD 2589 US LEC OF MARYLAND, INC. 242      
667-330 1 Salisbury MD 2589 US LEC OF MARYLAND, INC. 242      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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