Local Calling Guide

Area code/prefix search

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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 637

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-637 A Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 0 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 1 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 2 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 3 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 4 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 5 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 6 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 7 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 8 Baltimore MD BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-637 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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