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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-450 A Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 0 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 1 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 2 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 3 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-09-28   
410-450 4 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-08-12   
410-450 5 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 6 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 7 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 8 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      
410-450 9 Baltimore MD BLTMMDCH1DD  9212 VERIZON MARYLAND, INC. 238      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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