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: 553

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-553 A Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-553 0 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-553 1 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-08-06   
410-553 2 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-553 3 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-553 4 Glen Burnie MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-03-20   
410-553 5 Glen Burnie MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-03-18   
410-553 6 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-553 7 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2016-09-22   
410-553 8 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      
410-553 9 Glen Burnie MD GLBRMDGLRP0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.