NRNumberResearch Membership · Data 09/17/2026

← Area code 443

OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

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

Prefixes held by OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC in area code 443
NPA-NXXRate centerOCNAssignedPooled
443-208 BALTIMORE 6855 2011-02-01 Yes
443-210 SALISBURY 6855 2011-09-30 Yes
443-226 BALTIMORE 6855 — Yes
443-250 BALTIMORE 6855 — Yes
443-254 ANNAPOLIS 6855 — —
443-271 BALTIMORE 6855 2002-10-21 Yes
443-314 BALTIMORE 6855 2011-02-01 Yes
443-324 BALTIMORE 6855 — Yes
443-336 ANNAPOLIS 6855 — Yes
443-362 EASTON 6855 — Yes
443-365 SALISBURY 6855 — Yes
443-378 BALTIMORE 6855 2004-07-27 Yes
443-413 BALTIMORE 6855 — Yes
443-414 BALTIMORE 6855 — Yes
443-415 BALTIMORE 6855 — Yes
443-416 BALTIMORE 6855 — Yes
443-418 BALTIMORE 6855 — Yes
443-435 BALTIMORE 6855 2011-02-01 Yes
443-454 ANNAPOLIS 6855 — Yes
443-463 BALTIMORE 6855 — Yes
443-468 BALTIMORE 6855 2007-04-04 Yes
443-473 BALTIMORE 6855 2007-03-28 Yes
443-506 BALTIMORE 6855 — Yes
443-527 BALTIMORE 6855 2001-03-19 —
443-528 BEL AIR 6855 — Yes
443-529 BALTIMORE 6855 2008-07-22 Yes
443-538 COLUMBIA 6855 2001-06-20 —
443-554 CHASE 6855 2001-07-23 Yes
443-560 BALTIMORE 6855 2011-07-18 Yes
443-563 BALTIMORE 6855 2006-11-14 Yes
443-570 BALTIMORE 6855 — —
443-580 BALTIMORE 6855 2011-08-25 Yes
443-600 ESSEX 6855 2001-07-23 Yes
443-621 BALTIMORE 6855 — Yes
443-622 BALTIMORE 6855 — Yes
443-623 GLENBURNIE 6855 2002-08-20 Yes
443-629 BALTIMORE 6855 — Yes
443-633 BALTIMORE 6855 2011-07-18 Yes
443-636 CATONSVL 6855 — Yes
443-652 TOWSON 6855 — Yes
443-653 PARKVILLE 6855 2001-05-18 Yes
443-677 BALTIMORE 6855 2001-03-15 Yes
443-680 BALTIMORE 6855 2010-09-27 Yes
443-707 ABERDEEN 6855 — Yes
443-722 BALTIMORE 6855 2001-03-09 —
443-723 BALTIMORE 6855 2011-10-06 Yes
443-726 BALTIMORE 6855 2011-10-06 Yes
443-739 BALTIMORE 6855 2001-07-23 —
443-761 TOWSON 6855 2008-05-28 Yes
443-762 BALTIMORE 6855 2001-01-10 Yes
443-763 GLENBURNIE 6855 — Yes
443-764 GLENBURNIE 6855 2008-08-21 Yes
443-768 BALTIMORE 6855 2001-05-18 Yes
443-769 BALTIMORE 6855 2008-09-16 Yes
443-788 ABERDEEN 6855 — Yes
443-790 GLENBURNIE 6855 2001-11-19 Yes
443-800 BALTIMORE 6855 2011-01-31 Yes
443-801 BALTIMORE 6855 — Yes
443-802 BALTIMORE 6855 — Yes
443-803 BALTIMORE 6855 — Yes
443-804 BALTIMORE 6855 — Yes
443-805 GLENBURNIE 6855 2008-07-24 Yes
443-806 BALTIMORE 6855 2006-03-08 Yes
443-810 BALTIMORE 6855 2008-09-04 Yes
443-819 BEL AIR 6855 2015-01-21 Yes
443-822 ANNAPOLIS 6855 — Yes
443-824 TOWSON 6855 2001-05-18 Yes
443-825 BALTIMORE 6855 2006-11-29 Yes
443-829 BALTIMORE 6855 — Yes
443-839 BALTIMORE 6855 2006-04-17 Yes
443-848 GLENBURNIE 6855 — Yes
443-850 BALTIMORE 6855 2001-09-24 —
443-851 CATONSVL 6855 2001-08-21 Yes
443-854 BALTIMORE 6855 2001-11-19 —
443-857 BALTIMORE 6855 — —
443-858 BALTIMORE 6855 — —
443-859 SALISBURY 6855 — Yes
443-865 BALTIMORE 6855 2002-04-19 Yes
443-866 BEL AIR 6855 2002-07-02 Yes
443-871 ANNAPOLIS 6855 — Yes
443-876 BEL AIR 6855 — Yes
443-882 BALTIMORE 6855 2011-02-01 Yes
443-889 GLENBURNIE 6855 2001-04-20 Yes
443-894 BALTIMORE 6855 2011-06-30 Yes
443-913 BALTIMORE 6855 2011-06-30 Yes
443-916 BALTIMORE 6855 2011-08-22 Yes
443-925 BALTIMORE 6855 2006-02-24 Yes
443-929 PIKESVILLE 6855 2001-04-20 Yes
443-932 BALTIMORE 6855 2011-08-22 Yes
443-939 BALTIMORE 6855 2002-09-23 Yes
443-948 BALTIMORE 6855 2011-08-22 Yes
443-965 BALTIMORE 6855 2006-06-21 Yes
443-983 BALTIMORE 6855 2002-07-02 Yes
443-985 RANDALLSTN 6855 2001-06-20 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.