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: 368

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-368 A Baltimore MD ARBTMDARDS0  9212 VERIZON MARYLAND, INC. 238      
410-368 0 Baltimore MD   071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-07-04   
410-368 1 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 4 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 6 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-368 9 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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