NumberResearchRecent thousands-block assignments
9 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
Most carrier growth happens here, not at the prefix level: under number pooling, carriers receive individual 1,000-number blocks (e.g. 626-470-0XXX) within already-assigned prefixes. Assignments are initial assignments — the current serving carrier of individual numbers may differ due to portability.
Most active assignees, last 30 days — NPA 920
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
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2007-08-01 | 920-573-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | OSHKOSH | WI |
| 2007-07-30 | 920-767-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | MARKESAN | WI |
| 2007-07-26 | 920-312-8XXX | 8000–8999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | OSHKOSH | WI |
| 2007-07-26 | 920-896-1XXX | 1000–1999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | RIPON | WI |
| 2007-07-20 | 920-287-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | SHEBOYGAN | WI |
| 2007-07-20 | 920-287-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | SHEBOYGAN | WI |
| 2007-07-20 | 920-544-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | GREEN BAY | WI |
| 2007-07-20 | 920-544-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | GREEN BAY | WI |
| 2007-07-20 | 920-544-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | GREEN BAY | WI |
| 2007-07-05 | 920-574-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI |
| 2007-07-05 | 920-883-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | GREEN BAY | WI |
| 2007-06-27 | 920-933-3XXX | 3000–3999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | FONDDU LAC | WI |
| 2007-06-25 | 920-455-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | GREEN BAY | WI |
| 2007-06-25 | 920-593-4XXX | 4000–4999 | Assigned | TDS METROCOM, LLC | 520K | GREEN BAY | WI |
| 2007-06-25 | 920-593-6XXX | 6000–6999 | Assigned | TDS METROCOM, LLC | 520K | GREEN BAY | WI |
| 2007-06-22 | 920-750-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | APPLETON | WI |
| 2007-06-22 | 920-750-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | APPLETON | WI |
| 2007-06-15 | 920-891-7XXX | 7000–7999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC WI | 7216 | OSHKOSH | WI |
| 2007-05-16 | 920-859-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | OMRO | WI |
| 2007-05-15 | 920-574-0XXX | 0000–0999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI |
| 2007-05-15 | 920-883-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | GREEN BAY | WI |
| 2007-05-15 | 920-883-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | GREEN BAY | WI |
| 2007-05-07 | 920-264-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | GREEN BAY | WI |
| 2007-05-07 | 920-264-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | GREEN BAY | WI |
| 2007-05-07 | 920-287-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | SHEBOYGAN | WI |
| 2007-05-03 | 920-367-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | DENMARK | WI |
| 2007-04-27 | 920-520-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | FOX LAKE | WI |
| 2007-04-26 | 920-526-8XXX | 8000–8999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | GREENBUSH | WI |
| 2007-04-18 | 920-650-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | JEFFERSON | WI |
| 2007-04-16 | 920-544-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GREEN BAY | WI |
| 2007-04-16 | 920-544-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GREEN BAY | WI |
| 2007-04-16 | 920-881-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | ST NAZIANZ | WI |
| 2007-04-16 | 920-981-4XXX | 4000–4999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | STOCKBDG | WI |
| 2007-04-12 | 920-219-9XXX | 9000–9999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | BEAVER DAM | WI |
| 2007-04-12 | 920-276-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | THERESA | WI |
| 2007-04-12 | 920-345-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | WAUPUN | WI |
| 2007-04-12 | 920-349-9XXX | 9000–9999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | HUSTISFORD | WI |
| 2007-04-12 | 920-350-2XXX | 2000–2999 | Assigned | UNITED STATES CELLULAR - WI | 6274 | COLUMBUS | WI |
| 2007-04-12 | 920-367-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | DENMARK | WI |
| 2007-04-12 | 920-386-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | JUNEAU | WI |
| 2007-04-12 | 920-388-6XXX | 6000–6999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | KEWAUNEE | WI |
| 2007-04-12 | 920-482-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MANITOWOC | WI |
| 2007-04-12 | 920-487-8XXX | 8000–8999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | ALGOMA | WI |
| 2007-04-12 | 920-643-7XXX | 7000–7999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | HORICON | WI |
| 2007-04-12 | 920-654-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MISHICOT | WI |
| 2007-04-12 | 920-657-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | TWO RIVERS | WI |
| 2007-04-05 | 920-519-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | BLACKCREEK | WI |
| 2007-04-05 | 920-767-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | MARKESAN | WI |
| 2007-04-05 | 920-807-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | GREEN LAKE | WI |
| 2007-04-05 | 920-852-0XXX | 0000–0999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | ROSENDALE | WI |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.