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: PCCYMDPKRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-957 A Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 0 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 1 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 2 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 3 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 4 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 5 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 6 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      
410-957 9 Pocomoke MD 9212 VERIZON MARYLAND, INC. 242      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.