Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDFRDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-325 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-325 9 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-483 9 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-485 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-488 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-866 A Essex MD 9212 VERIZON MARYLAND, INC. 238      
443-868 A Essex MD 9212 VERIZON MARYLAND, INC. 238      
443-868 0 Essex MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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