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: 628

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-628 A Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 0 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 1 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 2 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 3 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 4 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 5 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 6 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 7 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 8 Cockeysville MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-628 9 Cockeysville MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-08-13   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.