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Baltimore, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-291 3   9212 VERIZON MARYLAND, INC. 238      
410-291 4   9212 VERIZON MARYLAND, INC. 238      
410-291 5   9212 VERIZON MARYLAND, INC. 238      
410-291 6   829J PAETEC ITEL, LLC 238   2017-09-02   
410-291 7   508J CENTURYLINK COMMUNICATIONS, LLC 238   2017-08-03   
410-291 8   551G NUSO, LLC 238   2017-06-07   
410-291 9   515J IP HORIZON LLC 238   2019-04-26   
410-299 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-301 A BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-301 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-301 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2011-11-20   
410-303 A BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-318 A PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 0   9212 VERIZON MARYLAND, INC. 238      
410-318 1   9212 VERIZON MARYLAND, INC. 238      
410-318 2   9212 VERIZON MARYLAND, INC. 238      
410-318 3   9212 VERIZON MARYLAND, INC. 238      
410-318 4   9212 VERIZON MARYLAND, INC. 238      
410-318 5   9212 VERIZON MARYLAND, INC. 238      
410-318 6   9212 VERIZON MARYLAND, INC. 238      
410-318 7   9212 VERIZON MARYLAND, INC. 238      
410-318 8   9212 VERIZON MARYLAND, INC. 238      
410-318 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2004-08-29   
410-319 A BLTMMDHMDS0  9212 VERIZON MARYLAND, INC. 238      
410-319 0   829J PAETEC ITEL, LLC 238   2004-02-15   
410-319 1   9212 VERIZON MARYLAND, INC. 238      
410-319 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2019-02-02   
410-319 3   9212 VERIZON MARYLAND, INC. 238      
410-319 4   145J TERRA NOVA TELECOM INC. 238   2021-09-24   
410-319 5   9212 VERIZON MARYLAND, INC. 238      
410-319 6   9212 VERIZON MARYLAND, INC. 238      
410-319 7   9212 VERIZON MARYLAND, INC. 238      
410-319 8   9212 VERIZON MARYLAND, INC. 238      
410-319 9   9212 VERIZON MARYLAND, INC. 238      
410-323 A BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-325 A BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-325 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-10-02   
410-325 1   9212 VERIZON MARYLAND, INC. 238      
410-325 2   9212 VERIZON MARYLAND, INC. 238      
410-325 3   9212 VERIZON MARYLAND, INC. 238      
410-325 4   9212 VERIZON MARYLAND, INC. 238      
410-325 5   9212 VERIZON MARYLAND, INC. 238      
410-325 6   9212 VERIZON MARYLAND, INC. 238      
410-325 7   9212 VERIZON MARYLAND, INC. 238      
410-325 8   9212 VERIZON MARYLAND, INC. 238      
410-325 9   9212 VERIZON MARYLAND, INC. 238      
410-327 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-328 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-332 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-333 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-336 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-338 A BLTMMDUVDS0  9212 VERIZON MARYLAND, INC. 238      
410-338 0   9212 VERIZON MARYLAND, INC. 238      
410-338 1   9212 VERIZON MARYLAND, INC. 238      
410-338 2   9212 VERIZON MARYLAND, INC. 238      
410-338 3   9212 VERIZON MARYLAND, INC. 238      
410-338 4   9212 VERIZON MARYLAND, INC. 238      
410-338 5   9212 VERIZON MARYLAND, INC. 238      
410-338 6   9212 VERIZON MARYLAND, INC. 238      
410-338 7   9212 VERIZON MARYLAND, INC. 238      
410-338 8   9212 VERIZON MARYLAND, INC. 238      
410-338 9   515J IP HORIZON LLC 238   2019-04-26   
410-340 A CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-342 A BLTMMDWLDS0  9212 VERIZON MARYLAND, INC. 238      
410-347 A BLTMMDCHDS3  9212 VERIZON MARYLAND, INC. 238      
410-350 A BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-350 0   9212 VERIZON MARYLAND, INC. 238      
410-350 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-31   
410-350 2   9212 VERIZON MARYLAND, INC. 238      
410-350 3   9212 VERIZON MARYLAND, INC. 238      
410-350 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-350 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-350 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-350 7   9212 VERIZON MARYLAND, INC. 238      
410-350 8   9212 VERIZON MARYLAND, INC. 238      
410-350 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-12-31   
410-351 A HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-354 A BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-355 A BRKLMDBKRP0  9212 VERIZON MARYLAND, INC. 238      
410-358 A PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-359 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-361 A BLTMMDCHDS2  9212 VERIZON MARYLAND, INC. 238      
410-361 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-02-20   
410-361 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2005-02-20   
410-361 2   9212 VERIZON MARYLAND, INC. 238      
410-361 3   9212 VERIZON MARYLAND, INC. 238      
410-361 4   9212 VERIZON MARYLAND, INC. 238      
410-361 5   9212 VERIZON MARYLAND, INC. 238      
410-361 6   9212 VERIZON MARYLAND, INC. 238      
410-361 7   9212 VERIZON MARYLAND, INC. 238      
410-361 8   9212 VERIZON MARYLAND, INC. 238      
410-361 9   9212 VERIZON MARYLAND, INC. 238      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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