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: SLBRMD906MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-205 8 Cambridge MD 145J TERRA NOVA TELECOM INC. 242      
443-210 9 Salisbury MD 145J TERRA NOVA TELECOM INC. 242      
443-373 6 Ocean City MD 145J TERRA NOVA TELECOM INC. 242      
443-521 8 Cambridge MD 145J TERRA NOVA TELECOM INC. 242      
443-727 9 Bishopville MD 145J TERRA NOVA TELECOM INC. 242      
667-357 1 Greensboro MD 145J TERRA NOVA TELECOM INC. 242      
667-357 8 Greensboro MD 145J TERRA NOVA TELECOM INC. 242      
667-449 9 Preston MD 145J TERRA NOVA TELECOM INC. 242      
667-855 A Salisbury MD 145J TERRA NOVA TELECOM INC. 242      
667-855 5 Salisbury MD 145J TERRA NOVA TELECOM INC. 242      

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

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