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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-424 A Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-424 0 Glen Burnie MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-424 1 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-424 2 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-424 3 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-424 4 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-424 5 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-424 6 Glen Burnie MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-424 7 Glen Burnie MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-424 8 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-424 9 Glen Burnie MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.