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: 558

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-558 A Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 0 Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 1 Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 2 Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 3 Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 4 Baltimore MD BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 5 Baltimore MD BLTMMDKMRS0  9212 VERIZON MARYLAND, INC. 238      
410-558 6 Baltimore MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-01-31   
410-558 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-558 8 Baltimore MD BLTMMDKMRS0  9212 VERIZON MARYLAND, INC. 238      
410-558 9 Baltimore MD BLTMMDKMRS0  9212 VERIZON MARYLAND, INC. 238      

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

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