NRNumberResearch Membership · Data 09/17/2026

← Area code 443

METROPCS, INC.

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

Prefixes held by METROPCS, INC. in area code 443
NPA-NXXRate centerOCNAssignedPooled
443-225 CAMBRIDGE 5562 2004-01-20 Yes
443-277 SYKESVILLE 5562 — Yes
443-282 CHESTERTN 5562 2004-10-04 Yes
443-306 SEVERNA PK 5562 — Yes
443-309 ELKTON 5562 — Yes
443-335 BRYNPKLNCM 5562 — Yes
443-366 SALISBURY 5562 2001-04-17 Yes
443-373 OCEAN CITY 5562 — Yes
443-375 HAMPSTEAD 5562 — Yes
443-398 SYKESVILLE 5562 2001-03-15 Yes
443-404 SOLOMONS 5562 — Yes
443-466 ELKTON 5562 — Yes
443-496 EASTON 5562 — Yes
443-497 SALISBURY 5562 — Yes
443-532 PRINCEFRCK 5562 — Yes
443-536 WESTMINSTR 5562 — Yes
443-597 SEVERNA PK 5562 — Yes
443-599 SEVERN 5562 — Yes
443-694 SEVERNA PK 5562 2001-04-20 Yes
443-744 REISTERSTN 5562 2002-07-02 Yes
443-807 FALLSTON 5562 — Yes
443-821 WESTMINSTR 5562 2010-07-13 Yes
443-864 COLUMBIA 5562 2001-12-19 Yes
443-881 REISTERSTN 5562 — Yes
443-993 ELKTON 5562 2010-12-13 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.