Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 479

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-479 A Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 0 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 1 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 2 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 3 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 4 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 5 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 6 Denton MD SLBRMDFSDS0  2593 CORE COMMUNICATIONS, INC. - MD 242   2004-04-03   
410-479 7 Denton MD SLBRMDSBDC0  7944 CAVALIER TELEPHONE, LLC (MID-ATLANTIC) - MD 242   2010-06-27   
410-479 8 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      
410-479 9 Denton MD DNTNMDDTRS0  9212 VERIZON MARYLAND, INC. 242      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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