Local Calling Guide

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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-528 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 0 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 1 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 2 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-15   
410-528 4 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 5 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 6 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 7 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 8 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-528 9 BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-532 A BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 0 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 1 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 2 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 3 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 4 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 5 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 6 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 7 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 8 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-534 9   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
410-537 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-537 1 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 2 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 3 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 4 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 5 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 6 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 7 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 8 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-537 9 CLMAMDJTBMD  2589 US LEC OF MARYLAND, INC. 238   2016-02-01   
410-539 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-542 A BLTMMDLBDS0  9212 VERIZON MARYLAND, INC. 238      
410-545 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-547 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-550 A BLTMMDKMRS0  9212 VERIZON MARYLAND, INC. 238      
410-554 A BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 0 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 1 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 2 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 3 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 4 BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-558 5 BLTMMDKMRS0  9212 VERIZON MARYLAND, INC. 238      
410-558 6 BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2005-01-31   
410-558 7 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-09-23   
410-558 8 BLTMMDKMRS0  9212 VERIZON MARYLAND, INC. 238      

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

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