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.

NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-877 A Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 0 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 1 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 2 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 3 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 4 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
410-877 5 Fallston MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2006-08-07   
410-877 6 Fallston MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2006-03-03   
410-877 7 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 8 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      
410-877 9 Fallston MD BLARMDBLDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.