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: 612

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-612 A Edgewood MD EDWDMDEGDS0  9212 VERIZON MARYLAND, INC. 238      
410-612 0 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 1 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 2 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 3 Edgewood MD   876D ONVOY, LLC - MD 238   2016-12-24   
410-612 4 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 5 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 6 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 7 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 8 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      
410-612 9 Edgewood MD   9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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