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: 682

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-682 A Essex MD ESSXMDEXDS0  9212 VERIZON MARYLAND, INC. 238      
410-682 0 Essex MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-682 1 Essex MD   7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-682 2 Essex MD   9212 VERIZON MARYLAND, INC. 238      
410-682 3 Essex MD   9212 VERIZON MARYLAND, INC. 238      
410-682 4 Essex MD   9212 VERIZON MARYLAND, INC. 238      
410-682 5 Essex MD   9212 VERIZON MARYLAND, INC. 238      
410-682 6 Essex MD   9212 VERIZON MARYLAND, INC. 238      
410-682 7 Essex MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-682 8 Essex MD   9212 VERIZON MARYLAND, INC. 238      
410-682 9 Essex MD   9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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