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 847
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 |
|---|---|---|---|---|---|---|---|
| 2007-09-14 | 847-403-0XXX | 0000–0999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | WHEELING | IL |
| 2007-09-14 | 847-485-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | PALATINE | IL |
| 2007-08-13 | 847-412-8XXX | 8000–8999 | Assigned | T-MOBILE USA, INC. | 6529 | NORTHBROOK | IL |
| 2007-08-13 | 847-418-1XXX | 1000–1999 | Assigned | T-MOBILE USA, INC. | 6529 | NORTHBROOK | IL |
| 2007-08-10 | 847-930-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | ELGIN | IL |
| 2007-07-05 | 847-499-0XXX | 0000–0999 | Assigned | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | 8702 | WHEELING | IL |
| 2007-07-05 | 847-621-9XXX | 9000–9999 | Assigned | RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | 8702 | ELK GROVE | IL |
| 2007-06-11 | 847-739-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | LAKEFOREST | IL |
| 2007-05-30 | 847-908-7XXX | 7000–7999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | ROSELLE | IL |
| 2007-04-16 | 847-485-5XXX | 5000–5999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | PALATINE | IL |
| 2007-04-13 | 847-637-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | ARLIGTNHTS | IL |
| 2007-04-09 | 847-779-0XXX | 0000–0999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | SKOKIE | IL |
| 2007-03-30 | 847-752-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | GRAYSLAKE | IL |
| 2007-03-19 | 847-563-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | EVANSTON | IL |
| 2007-02-02 | 847-897-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | NORTHBROOK | IL |
| 2007-02-01 | 847-463-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2007-02-01 | 847-481-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2007-01-25 | 847-222-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2007-01-25 | 847-749-5XXX | 5000–5999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2007-01-15 | 847-563-6XXX | 6000–6999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | EVANSTON | IL |
| 2007-01-15 | 847-794-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | PALATINE | IL |
| 2007-01-15 | 847-999-1XXX | 1000–1999 | Assigned | PAETEC ITEL, LLC | 829J | WINNETKA | IL |
| 2007-01-08 | 847-415-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | HALF DAY | IL |
| 2007-01-08 | 847-972-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | SKOKIE | IL |
| 2006-12-28 | 847-907-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | PALATINE | IL |
| 2006-12-19 | 847-704-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2006-12-19 | 847-704-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2006-12-06 | 847-750-7XXX | 7000–7999 | Assigned | PAETEC ITEL, LLC | 829J | BENSENVL | IL |
| 2006-12-06 | 847-893-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | BARTLETT | IL |
| 2006-11-29 | 847-859-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | EVANSTON | IL |
| 2006-11-22 | 847-865-3XXX | 3000–3999 | Assigned | AT&T ENTERPRISES, LLC | 516C | WAUCONDA | IL |
| 2006-11-15 | 847-621-6XXX | 6000–6999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | ELK GROVE | IL |
| 2006-11-13 | 847-597-7XXX | 7000–7999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | DEERFIELD | IL |
| 2006-11-02 | 847-906-4XXX | 4000–4999 | Assigned | AT&T ENTERPRISES, LLC | 516C | WILMETTE | IL |
| 2006-11-02 | 847-978-8XXX | 8000–8999 | Assigned | AT&T ENTERPRISES, LLC | 516C | PISTAKHLDS | IL |
| 2006-11-01 | 847-607-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | DEERFIELD | IL |
| 2006-10-31 | 847-305-6XXX | 6000–6999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2006-10-31 | 847-305-7XXX | 7000–7999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2006-10-26 | 847-427-7XXX | 7000–7999 | Assigned | FIRST COMMUNICATIONS, LLC | 460K | ELK GROVE | IL |
| 2006-10-25 | 847-660-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2006-10-25 | 847-660-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | ARLIGTNHTS | IL |
| 2006-10-23 | 847-562-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - IL | 6115 | NORTHBROOK | IL |
| 2006-10-20 | 847-600-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | SKOKIE | IL |
| 2006-10-20 | 847-810-9XXX | 9000–9999 | Assigned | T-MOBILE USA, INC. | 6529 | LAKEFOREST | IL |
| 2006-10-05 | 847-859-2XXX | 2000–2999 | Assigned | COMCAST IP PHONE, LLC | 318J | EVANSTON | IL |
| 2006-10-05 | 847-905-0XXX | 0000–0999 | Assigned | COMCAST IP PHONE, LLC | 318J | EVANSTON | IL |
| 2006-10-02 | 847-786-3XXX | 3000–3999 | Assigned | COMCAST IP PHONE, LLC | 318J | GLENCOE | IL |
| 2006-09-29 | 847-660-2XXX | 2000–2999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 7196 | ARLIGTNHTS | IL |
| 2006-09-25 | 847-993-8XXX | 8000–8999 | Assigned | PAETEC ITEL, LLC | 829J | PARK RIDGE | IL |
| 2006-09-19 | 847-865-5XXX | 5000–5999 | Assigned | COMCAST IP PHONE, LLC | 318J | WAUCONDA | IL |
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.