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: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-863 A Glen Burnie MD GLBRMDGLDS0  9212 VERIZON MARYLAND, INC. 238      
410-863 0 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-863 1 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-863 2 Glen Burnie MD   876D ONVOY, LLC - MD 238   2015-06-11   
410-863 3 Glen Burnie MD   876D ONVOY, LLC - MD 238   2015-06-11   
410-863 4 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-863 5 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-863 6 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-863 7 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-863 8 Glen Burnie MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-20   
410-863 9 Glen Burnie MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-04-20   

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.