NumberResearchRecent thousands-block assignments
3 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 939
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 |
|---|---|---|---|---|---|---|---|
| 2013-08-20 | 939-489-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAROLINA | PR |
| 2013-08-20 | 939-489-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAROLINA | PR |
| 2013-08-20 | 939-489-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAROLINA | PR |
| 2013-07-26 | 939-338-0XXX | 0000–0999 | Assigned | LIBERTY COMMUNICATIONS OF PUERTO RICO LLC | 955G | RIOPIEDRAS | PR |
| 2013-07-26 | 939-338-1XXX | 1000–1999 | Assigned | LIBERTY COMMUNICATIONS OF PUERTO RICO LLC | 955G | RIOPIEDRAS | PR |
| 2013-07-26 | 939-338-2XXX | 2000–2999 | Assigned | LIBERTY COMMUNICATIONS OF PUERTO RICO LLC | 955G | RIOPIEDRAS | PR |
| 2013-07-26 | 939-338-3XXX | 3000–3999 | Assigned | LIBERTY COMMUNICATIONS OF PUERTO RICO LLC | 955G | RIOPIEDRAS | PR |
| 2013-07-17 | 939-232-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | BAYAMONNOR | PR |
| 2013-07-17 | 939-325-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAYEY | PR |
| 2013-06-05 | 939-308-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ARECIBO | PR |
| 2013-06-05 | 939-308-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ARECIBO | PR |
| 2013-06-05 | 939-308-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ARECIBO | PR |
| 2013-05-16 | 939-709-1XXX | 1000–1999 | Assigned | NATURAL G.C. INC. - PR | 985G | RIOPIEDRAS | PR |
| 2013-04-10 | 939-208-9XXX | 9000–9999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2013-03-11 | 939-489-7XXX | 7000–7999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAROLINA | PR |
| 2013-03-11 | 939-489-8XXX | 8000–8999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAROLINA | PR |
| 2013-03-11 | 939-489-9XXX | 9000–9999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAROLINA | PR |
| 2013-01-08 | 939-322-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2013-01-04 | 939-217-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2012-12-27 | 939-332-3XXX | 3000–3999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2012-12-27 | 939-332-4XXX | 4000–4999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2012-12-27 | 939-332-5XXX | 5000–5999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2012-12-27 | 939-332-6XXX | 6000–6999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAGUAS | PR |
| 2012-12-07 | 939-339-8XXX | 8000–8999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | AGUADILLA | PR |
| 2012-11-26 | 939-240-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | MANATI | PR |
| 2012-11-26 | 939-308-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ARECIBO | PR |
| 2012-11-26 | 939-325-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAYEY | PR |
| 2012-11-21 | 939-217-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | PONCE | PR |
| 2012-11-21 | 939-228-0XXX | 0000–0999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SAN GERMAN | PR |
| 2012-11-21 | 939-339-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | AGUADILLA | PR |
| 2012-11-21 | 939-339-5XXX | 5000–5999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | AGUADILLA | PR |
| 2012-11-13 | 939-216-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAROLINA | PR |
| 2012-11-12 | 939-232-3XXX | 3000–3999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | BAYAMONNOR | PR |
| 2012-11-12 | 939-232-4XXX | 4000–4999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | BAYAMONNOR | PR |
| 2012-10-29 | 939-732-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | ARROYO | PR |
| 2012-07-26 | 939-339-6XXX | 6000–6999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | AGUADILLA | PR |
| 2012-07-11 | 939-232-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | BAYAMONNOR | PR |
| 2012-07-11 | 939-232-2XXX | 2000–2999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | BAYAMONNOR | PR |
| 2012-01-25 | 939-216-1XXX | 1000–1999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | CAROLINA | PR |
| 2012-01-11 | 939-322-9XXX | 9000–9999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | SANTURCE | PR |
| 2011-11-09 | 939-292-2XXX | 2000–2999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2011-11-09 | 939-292-3XXX | 3000–3999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2011-11-09 | 939-292-4XXX | 4000–4999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2011-11-09 | 939-292-5XXX | 5000–5999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2011-11-09 | 939-292-6XXX | 6000–6999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2011-11-09 | 939-292-7XXX | 7000–7999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | LEVITTOWN | PR |
| 2011-10-27 | 939-339-7XXX | 7000–7999 | Assigned | SUNCOM DBA T-MOBILE USA | 8645 | AGUADILLA | PR |
| 2011-07-20 | 939-500-8XXX | 8000–8999 | Assigned | PUERTO RICO TEL. CO. | 3201 | PONCE | PR |
| 2011-07-20 | 939-535-8XXX | 8000–8999 | Assigned | PUERTO RICO TEL. CO. | 3201 | SANTURCE | PR |
| 2011-06-13 | 939-216-3XXX | 3000–3999 | Assigned | LIBERTY MOBILE PUERTO RICO INC. | 639J | CAROLINA | 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.