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: 476

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-476 A Trappe MD TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 0 Trappe MD   145J TERRA NOVA TELECOM INC. 242      
410-476 1 Trappe MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-476 2 Trappe MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-476 3 Trappe MD TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 4 Trappe MD TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 5 Trappe MD TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      
410-476 6 Trappe MD ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
410-476 7 Trappe MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-476 8 Trappe MD SLBRMDSCXLX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 242      
410-476 9 Trappe MD TRPPMDTRRS0  9212 VERIZON MARYLAND, INC. 242      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.