NRNumberResearch Membership · Data 09/17/2026

← Area code 443

CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

121 prefixes in 443 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD in area code 443
NPA-NXXRate centerOCNAssignedPooled
443-202 BALTIMORE 6395 2012-01-09 Yes
443-205 CAMBRIDGE 6395 — Yes
443-206 PERRYVILLE 6395 — Yes
443-223 ANNAPOLIS 6395 — —
443-235 SALISBURY 6395 — —
443-243 FALLSTON 6395 — —
443-248 BALTIMORE 6395 2007-01-15 Yes
443-252 PERRYVILLE 6395 2009-09-08 Yes
443-257 BALTIMORE 6395 — Yes
443-286 BALTIMORE 6395 — —
443-293 WESTMINSTR 6395 — Yes
443-299 FALLSTON 6395 — Yes
443-340 WESTMINSTR 6395 — —
443-350 ELKTON 6395 — Yes
443-359 DELMAR 6395 — Yes
443-377 TOWSON 6395 2010-06-09 Yes
443-386 BALTIMORE 6395 — Yes
443-388 BALTIMORE 6395 2006-04-13 Yes
443-397 SALISBURY 6395 2009-04-06 Yes
443-401 BALTIMORE 6395 2011-10-17 Yes
443-438 BALTIMORE 6395 2008-10-08 Yes
443-439 TRAPPE 6395 2004-11-01 Yes
443-462 BALTIMORE 6395 2008-11-06 Yes
443-465 TOWSON 6395 — Yes
443-477 CAMBRIDGE 6395 2007-01-13 Yes
443-478 BALTIMORE 6395 2009-03-06 Yes
443-480 CHESTERTN 6395 — Yes
443-493 DELMAR 6395 2009-03-06 Yes
443-509 BALTIMORE 6395 2009-02-10 Yes
443-510 ANNAPOLIS 6395 2007-12-04 Yes
443-515 CAMBRIDGE 6395 2009-06-08 Yes
443-521 CAMBRIDGE 6395 — Yes
443-534 ANNAPOLIS 6395 2001-01-15 Yes
443-537 COLUMBIA 6395 — Yes
443-547 WESTMINSTR 6395 2009-05-07 Yes
443-553 ELKTON 6395 — —
443-566 CHESAPKECY 6395 2004-09-16 Yes
443-571 BALTIMORE 6395 2011-12-06 Yes
443-591 GLENBURNIE 6395 2009-05-07 Yes
443-602 BALTIMORE 6395 2007-02-15 Yes
443-604 BALTIMORE 6395 — —
443-610 BALTIMORE 6395 — Yes
443-614 SALISBURY 6395 2001-07-23 —
443-615 BALTIMORE 6395 2007-05-10 Yes
443-617 FALLSTON 6395 2005-04-11 Yes
443-618 GLENBURNIE 6395 — Yes
443-619 BEL AIR 6395 2009-06-05 Yes
443-624 PRINCEFRCK 6395 2002-03-06 Yes
443-630 BALTIMORE 6395 2008-05-08 Yes
443-642 BALTIMORE 6395 2006-11-08 Yes
443-651 BALTIMORE 6395 2011-07-08 Yes
443-667 DELMAR 6395 2023-05-16 Yes
443-681 BALTIMORE 6395 2009-06-05 Yes
443-682 BALTIMORE 6395 2006-12-19 Yes
443-683 BALTIMORE 6395 2007-04-09 Yes
443-684 PRINCEFRCK 6395 2008-10-08 Yes
443-686 FALLSTON 6395 — Yes
443-687 BALTIMORE 6395 2009-09-08 Yes
443-690 BALTIMORE 6395 — —
443-695 BALTIMORE 6395 — —
443-699 ANNAPOLIS 6395 2011-08-10 Yes
443-705 COCKEYSVL 6395 — Yes
443-717 BALTIMORE 6395 2005-09-14 Yes
443-721 BALTIMORE 6395 2009-07-06 Yes
443-743 BALTIMORE 6395 2008-04-07 Yes
443-745 COLUMBIA 6395 — —
443-750 BALTIMORE 6395 2010-06-08 Yes
443-752 BEL AIR 6395 2001-10-17 Yes
443-754 SALISBURY 6395 2010-06-09 Yes
443-758 ANNAPOLIS 6395 — Yes
443-759 BALTIMORE 6395 2007-10-29 Yes
443-771 PRINCEFRCK 6395 2010-09-08 Yes
443-775 ANNAPOLIS 6395 2014-10-08 Yes
443-783 SALISBURY 6395 — —
443-786 EASTON 6395 — Yes
443-812 COLUMBIA 6395 2001-01-15 Yes
443-813 BALTIMORE 6395 2007-09-14 Yes
443-814 BALTIMORE 6395 2010-06-15 Yes
443-823 TOWSON 6395 2006-07-13 Yes
443-826 BALTIMORE 6395 2010-06-25 Yes
443-827 BALTIMORE 6395 — Yes
443-834 TOWSON 6395 — Yes
443-835 BALTIMORE 6395 2008-12-11 Yes
443-842 BALTIMORE 6395 2011-03-10 Yes
443-844 BALTIMORE 6395 2006-02-13 Yes
443-845 BALTIMORE 6395 — Yes
443-847 TOWSON 6395 2006-10-12 Yes
443-853 BALTIMORE 6395 2010-07-27 Yes
443-862 TOWSON 6395 2011-10-07 Yes
443-863 BALTIMORE 6395 2010-08-09 Yes
443-869 BALTIMORE 6395 2006-06-12 Yes
443-878 COLUMBIA 6395 — Yes
443-890 BALTIMORE 6395 2011-08-10 Yes
443-895 TOWSON 6395 2007-04-09 Yes
443-900 TOWSON 6395 2012-05-23 Yes
443-902 BALTIMORE 6395 2011-01-06 Yes
443-903 BEL AIR 6395 2011-09-07 Yes
443-904 BALTIMORE 6395 2001-10-17 Yes
443-907 ELKTON 6395 2001-04-20 Yes
443-908 BALTIMORE 6395 2011-06-29 Yes

These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.