NumberResearchRecent thousands-block assignments
40 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/20/2026
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 970
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 |
|---|---|---|---|---|---|---|---|
| 2006-02-24 | 970-373-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | GREELEY | CO |
| 2006-02-24 | 970-373-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | GREELEY | CO |
| 2006-02-24 | 970-460-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | WINDSOR | CO |
| 2006-02-24 | 970-660-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | JOHNSTMLKN | CO |
| 2006-02-24 | 970-737-4XXX | 4000–4999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | GILCREST | CO |
| 2006-02-24 | 970-785-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | PLATTEVL | CO |
| 2006-02-24 | 970-805-1XXX | 1000–1999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - CO | 6118 | MEAD | CO |
| 2006-02-20 | 970-361-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GRAND JCT | CO |
| 2006-02-20 | 970-445-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | VAIL | CO |
| 2006-02-20 | 970-534-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | GREELEY | CO |
| 2006-02-20 | 970-776-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LOVELAND | CO |
| 2006-02-20 | 970-797-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | FT COLLINS | CO |
| 2006-02-10 | 970-460-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | WINDSOR | CO |
| 2006-02-10 | 970-631-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | FT COLLINS | CO |
| 2006-02-10 | 970-631-3XXX | 3000–3999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | FT COLLINS | CO |
| 2006-02-09 | 970-779-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | DURANGO | CO |
| 2006-02-06 | 970-274-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GLENWD SPG | CO |
| 2006-02-06 | 970-343-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | VAIL | CO |
| 2006-02-01 | 970-284-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | LA SALLE | CO |
| 2006-02-01 | 970-795-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - CO | 078F | WINDSOR | CO |
| 2006-02-01 | 970-840-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | BRUSH | CO |
| 2006-01-25 | 970-497-6XXX | 6000–6999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MONTROSE | CO |
| 2006-01-19 | 970-292-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | LOVELAND | CO |
| 2006-01-19 | 970-344-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | BERTHOUD | CO |
| 2006-01-18 | 970-497-8XXX | 8000–8999 | Assigned | QWEST CORPORATION | 9636 | MONTROSE | CO |
| 2006-01-17 | 970-361-4XXX | 4000–4999 | Assigned | T-MOBILE USA, INC. | 6529 | GRAND JCT | CO |
| 2006-01-12 | 970-361-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GRAND JCT | CO |
| 2006-01-12 | 970-361-1XXX | 1000–1999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GRAND JCT | CO |
| 2006-01-12 | 970-361-2XXX | 2000–2999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC | 6010 | GRAND JCT | CO |
| 2006-01-10 | 970-292-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CO | 026D | LOVELAND | CO |
| 2006-01-10 | 970-292-7XXX | 7000–7999 | Assigned | ONVOY, LLC - CO | 026D | LOVELAND | CO |
| 2006-01-10 | 970-344-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | BERTHOUD | CO |
| 2006-01-10 | 970-344-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CO | 026D | BERTHOUD | CO |
| 2006-01-10 | 970-364-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | GRANBY | CO |
| 2006-01-10 | 970-367-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | STEAMBOSPG | CO |
| 2006-01-10 | 970-373-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | GREELEY | CO |
| 2006-01-10 | 970-373-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CO | 026D | GREELEY | CO |
| 2006-01-10 | 970-425-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | STERLING | CO |
| 2006-01-10 | 970-425-1XXX | 1000–1999 | Assigned | ONVOY, LLC - CO | 026D | STERLING | CO |
| 2006-01-10 | 970-427-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | FORTMORGAN | CO |
| 2006-01-10 | 970-427-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CO | 026D | FORTMORGAN | CO |
| 2006-01-10 | 970-463-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CO | 026D | JULESBURG | CO |
| 2006-01-10 | 970-535-8XXX | 8000–8999 | Assigned | ONVOY, LLC - CO | 026D | MEAD | CO |
| 2006-01-10 | 970-614-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | LA SALLE | CO |
| 2006-01-10 | 970-627-4XXX | 4000–4999 | Assigned | ONVOY, LLC - CO | 026D | GRAND LAKE | CO |
| 2006-01-10 | 970-627-6XXX | 6000–6999 | Assigned | ONVOY, LLC - CO | 026D | GRAND LAKE | CO |
| 2006-01-10 | 970-638-2XXX | 2000–2999 | Assigned | ONVOY, LLC - CO | 026D | YAMPA | CO |
| 2006-01-10 | 970-645-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CO | 026D | WELDONA | CO |
| 2006-01-10 | 970-660-0XXX | 0000–0999 | Assigned | ONVOY, LLC - CO | 026D | JOHNSTMLKN | CO |
| 2006-01-10 | 970-660-3XXX | 3000–3999 | Assigned | ONVOY, LLC - CO | 026D | JOHNSTMLKN | CO |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.