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.

Crisfield, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-968 A CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
410-968 0 CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
410-968 1 CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
410-968 2 CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
410-968 3 CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
410-968 4 CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
410-968 5 SLBRMD902MD  073H TELNYX LLC 242      
410-968 6   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-968 7 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
410-968 8 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
410-968 9 CRFDMDCRRS0  9212 VERIZON MARYLAND, INC. 242      
443-706 A SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-706 0   145J TERRA NOVA TELECOM INC. 242      
443-706 1 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-706 2 SLBRMDSBX6Y  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242      
443-706 3 ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
443-706 4   145J TERRA NOVA TELECOM INC. 242      
443-706 7 SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
443-706 8 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
443-706 9 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-868 A   792K CHARTER IP ENABLED SERVICES, LLC 242      
667-868 0 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-868 1 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-868 2 SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
667-868 3 SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-868 4   792K CHARTER IP ENABLED SERVICES, LLC 242      
667-868 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.