NumberResearch Membership · Data 2026-04

Recent prefix assignments

352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04

Full prefixes (NXX) Thousands-blocks (1,000-number pools)

Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.

Most active assignees, last 30 days
8X8, INC. 38
NEW CINGULAR WIRELESS PCS, LLC - IL 31
NEW CINGULAR WIRELESS PCS, LLC - DC 30
ONVOY, LLC - CA 28
ONVOY, LLC - NJ 18
New assignments by month Sep 2026 Aug 2026 Jul 2026 Jun 2026 May 2026 Apr 2026 Mar 2026 Feb 2026 Jan 2026 Dec 2025 Nov 2025 Oct 2025
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Recent NPA-NXX prefix assignments
AssignedNPA-NXXAssigneeOCNRate centerState
212-477 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-478 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-479 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-480 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-481 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-482 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-483 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-484 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-485 CABLEVISION LIGHTPATH, INC. - NY 7126 NWYRCYZN01 NY
212-486 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-487 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-488 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-489 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-490 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-491 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-492 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-493 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-494 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-495 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-496 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-497 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-498 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-499 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-500 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-501 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-502 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-503 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-504 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-505 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-506 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-507 LEVEL 3 COMMUNICATIONS, LLC - NY 4006 NWYRCYZN01 NY
212-508 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-509 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-510 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-511 MULTIPLE OCN LISTING MULT XXXXXXXXXX NY
212-512 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-513 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-514 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-515 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-517 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-518 TC SYSTEMS, INC. - NY 7140 NWYRCYZN01 NY
212-519 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
212-520 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
212-521 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-522 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 7229 NWYRCYZN01 NY
212-523 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-524 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-525 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-526 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY
212-527 VERIZON NEW YORK, INC. 9104 NWYRCYZN01 NY

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.