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: 261

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-261 A Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 0 Baltimore MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2024-02-14   
410-261 1 Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 2 Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 3 Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 4 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-05-04   
410-261 5 Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2024-02-24   
410-261 7 Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 8 Baltimore MD BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-261 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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