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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-318 A Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 0 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 1 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 4 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 5 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 6 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 7 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 8 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-318 9 Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-08-29   

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

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