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: HLBOMDTKRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-364 A Hillsboro MD 9212 VERIZON MARYLAND, INC. 242      
410-364 5 Hillsboro MD 9212 VERIZON MARYLAND, INC. 242      
410-364 9 Hillsboro MD 9212 VERIZON MARYLAND, INC. 242      
410-634 A Ridgely MD 9212 VERIZON MARYLAND, INC. 242      
410-634 1 Ridgely MD 9212 VERIZON MARYLAND, INC. 242      
410-634 2 Ridgely MD 9212 VERIZON MARYLAND, INC. 242      
410-634 9 Ridgely MD 9212 VERIZON MARYLAND, INC. 242      
410-820 1 Easton MD 9212 VERIZON MARYLAND, INC. 242      
410-820 2 Easton MD 9212 VERIZON MARYLAND, INC. 242      
410-820 3 Easton MD 9212 VERIZON MARYLAND, INC. 242      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.