NumberResearch Membership · Data 09/19/2026

Recent prefix assignments

355 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026

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
ONVOY, LLC - CA 31
NEW CINGULAR WIRELESS PCS, LLC - IL 28
NEW CINGULAR WIRELESS PCS, LLC - DC 26
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
748-555 MULTIPLE OCN LISTING MULT DIR ASST CO
748-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-700 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-711 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-811 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-911 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-950 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-958 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-959 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
748-976 MULTIPLE OCN LISTING MULT XXXXXXXXXX CO
754-211 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-212 BANDWIDTH.COM CLEC, LLC - FL 982E DEERFLDBCH FL
754-230 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 HOLLYWOOD FL
754-290 NEW CINGULAR WIRELESS PCS, LLC - GA 6214 FTLAUDERDL FL
754-301 LEVEL 3 COMMUNICATIONS, LLC - FL 4802 FTLAUDERDL FL
754-311 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-312 ONVOY, LLC - FL 937C FTLAUDERDL FL
754-333 ONVOY, LLC - FL 937C DEERFLDBCH FL
754-411 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-444 BANDWIDTH.COM CLEC, LLC - FL 982E POMPANOBCH FL
754-457 OMNIPOINT MIAMI E LICENSE, LLC 6889 FTLAUDERDL FL
754-484 BANDWIDTH.COM CLEC, LLC - FL 982E CORAL SPG FL
754-511 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-555 MULTIPLE OCN LISTING MULT DIR ASST FL
754-611 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-666 BANDWIDTH.COM CLEC, LLC - FL 982E POMPANOBCH FL
754-700 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-711 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-777 BANDWIDTH.COM CLEC, LLC - FL 982E HOLLYWOOD FL
754-811 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-888 BANDWIDTH.COM CLEC, LLC - FL 982E HOLLYWOOD FL
754-900 BANDWIDTH.COM CLEC, LLC - FL 982E FTLAUDERDL FL
754-911 MULTIPLE OCN LISTING MULT XXXXXXXXXX FL
754-950 FL
754-958 FL
754-959 FL
754-976 FL
754-999 BANDWIDTH.COM CLEC, LLC - FL 982E POMPANOBCH FL
757-203 COMCAST IP PHONE, LLC 318J NRFOLKZON3 VA
757-204 COMCAST IP PHONE, LLC 318J NRFOLKZON6 VA
757-206 METROPCS, INC. 5562 WILLIAMSBG VA
757-207 METROPCS, INC. 5562 WILLIAMSBG VA
757-208 METROPCS, INC. 5562 WILLIAMSBG VA
757-209 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 WILLIAMSBG VA
757-211 MULTIPLE OCN LISTING MULT XXXXXXXXXX VA
757-213 PAETEC ITEL, LLC 829J NRFOLKZON2 VA
757-215 PAETEC ITEL, LLC 829J NRFOLKZON3 VA
757-216 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 4644 NRFOLKZON2 VA
757-217 PAETEC ITEL, LLC 829J NRFOLKZON2 VA
757-218 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 6855 NWPTNWSZN1 VA

Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.