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: WLRDMDWRRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-835 A Willards MD 9212 VERIZON MARYLAND, INC. 242      
410-835 2 Willards MD 9212 VERIZON MARYLAND, INC. 242      
410-835 3 Willards MD 9212 VERIZON MARYLAND, INC. 242      
410-835 8 Willards MD 9212 VERIZON MARYLAND, INC. 242      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.