NumberResearchRecent thousands-block assignments
0 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, all time — NPA 787
New assignments by month
Sep 2026
Aug 2026
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Jun 2026
May 2026
Apr 2026
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Dec 2025
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2006-06-26 | 787-975-6XXX | 6000–6999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2006-06-26 | 787-975-7XXX | 7000–7999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2006-06-26 | 787-975-8XXX | 8000–8999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2006-06-26 | 787-975-9XXX | 9000–9999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2006-05-31 | 787-907-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAGUAS | PR |
| 2006-05-24 | 787-930-1XXX | 1000–1999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-05-24 | 787-930-2XXX | 2000–2999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-05-24 | 787-930-3XXX | 3000–3999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-05-23 | 787-709-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2006-05-22 | 787-904-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MANATI | PR |
| 2006-05-22 | 787-904-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MANATI | PR |
| 2006-05-16 | 787-271-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | ARROYO | PR |
| 2006-05-05 | 787-901-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2006-05-05 | 787-901-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2006-04-21 | 787-905-8XXX | 8000–8999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-04-21 | 787-905-9XXX | 9000–9999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-04-05 | 787-668-2XXX | 2000–2999 | Assigned | METROPCS, INC. | 5562 | RIO GRANDE | PR |
| 2006-02-21 | 787-930-0XXX | 0000–0999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-02-14 | 787-704-9XXX | 9000–9999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2006-02-09 | 787-944-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-944-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-944-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-983-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-983-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-983-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-983-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-02-09 | 787-983-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2006-01-17 | 787-393-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | SANTURCE | PR |
| 2005-12-22 | 787-346-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MANATI | PR |
| 2005-12-22 | 787-346-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MANATI | PR |
| 2005-12-22 | 787-678-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAYEY | PR |
| 2005-12-22 | 787-678-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAYEY | PR |
| 2005-12-22 | 787-702-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | NARANJITO | PR |
| 2005-12-22 | 787-901-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2005-12-22 | 787-901-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2005-12-22 | 787-901-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2005-12-22 | 787-901-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2005-12-22 | 787-909-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | FAJARDO | PR |
| 2005-12-22 | 787-909-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | FAJARDO | PR |
| 2005-12-22 | 787-938-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2005-12-22 | 787-938-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2005-12-22 | 787-938-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2005-12-21 | 787-346-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | MANATI | PR |
| 2005-12-21 | 787-601-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | PONCE | PR |
| 2005-12-15 | 787-705-7XXX | 7000–7999 | Assigned | WORLDNET TELECOMMUNICATIONS, INC. - PR | 9726 | PUEBLOVIEJ | PR |
| 2005-12-14 | 787-560-8XXX | 8000–8999 | Assigned | METROPCS, INC. | 5562 | AGUADILLA | PR |
| 2005-12-07 | 787-606-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | GUAYANILLA | PR |
| 2005-12-06 | 787-704-5XXX | 5000–5999 | Assigned | METROPCS, INC. | 5562 | CAGUAS | PR |
| 2005-12-05 | 787-668-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | RIO GRANDE | PR |
| 2005-11-29 | 787-470-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
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.