NumberResearchRecent thousands-block assignments
26 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 636
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 |
|---|---|---|---|---|---|---|---|
| 2012-06-26 | 636-587-4XXX | 4000–4999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | EUREKA | MO |
| 2012-06-22 | 636-266-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WASHINGTON | MO |
| 2012-06-22 | 636-778-2XXX | 2000–2999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | CHESTERFLD | MO |
| 2012-05-23 | 636-638-1XXX | 1000–1999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | FSSCRSTLCY | MO |
| 2012-05-18 | 636-334-8XXX | 8000–8999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | PACIFIC | MO |
| 2012-05-01 | 636-337-6XXX | 6000–6999 | Assigned | CHARTER IP ENABLED SERVICES, LLC | 792K | DE SOTO | MO |
| 2012-04-20 | 636-435-6XXX | 6000–6999 | Assigned | PEERLESS NETWORK OF MISSOURI, LLC - MO | 225F | VALLEYPARK | MO |
| 2012-04-10 | 636-373-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ST CHARLES | MO |
| 2012-04-10 | 636-443-1XXX | 1000–1999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ST CHARLES | MO |
| 2012-04-10 | 636-493-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ST CHARLES | MO |
| 2012-03-28 | 636-728-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | CHESTERFLD | MO |
| 2012-03-27 | 636-442-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | HARVESTER | MO |
| 2012-03-16 | 636-489-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | CHESTERFLD | MO |
| 2012-03-14 | 636-243-6XXX | 6000–6999 | Assigned | TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 7218 | DE SOTO | MO |
| 2012-03-12 | 636-730-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | CHESTERFLD | MO |
| 2012-03-07 | 636-764-3XXX | 3000–3999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | FENTON | MO |
| 2012-02-29 | 636-297-4XXX | 4000–4999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WARRENTON | MO |
| 2012-02-27 | 636-439-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | OFALLON | MO |
| 2012-02-21 | 636-385-2XXX | 2000–2999 | Assigned | T-MOBILE USA, INC. | 6529 | OFALLON | MO |
| 2012-02-21 | 636-385-3XXX | 3000–3999 | Assigned | T-MOBILE USA, INC. | 6529 | OFALLON | MO |
| 2012-02-21 | 636-649-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | UNION | MO |
| 2012-02-10 | 636-851-8XXX | 8000–8999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | HARVESTER | MO |
| 2011-12-27 | 636-400-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | PORTAGSIUX | MO |
| 2011-12-19 | 636-517-5XXX | 5000–5999 | Assigned | PAETEC ITEL, LLC | 829J | VALLEYPARK | MO |
| 2011-12-02 | 636-669-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ST CHARLES | MO |
| 2011-12-02 | 636-896-6XXX | 6000–6999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | ST CHARLES | MO |
| 2011-11-21 | 636-393-3XXX | 3000–3999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7432 | PACIFIC | MO |
| 2011-11-16 | 636-688-0XXX | 0000–0999 | Assigned | T-MOBILE USA, INC. | 6529 | ST CHARLES | MO |
| 2011-10-28 | 636-649-9XXX | 9000–9999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | UNION | MO |
| 2011-10-18 | 636-321-4XXX | 4000–4999 | Assigned | PAETEC ITEL, LLC | 829J | MAXVILLE | MO |
| 2011-10-12 | 636-425-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | PORTAGSIUX | MO |
| 2011-10-03 | 636-639-0XXX | 0000–0999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WENTZVILLE | MO |
| 2011-09-30 | 636-224-0XXX | 0000–0999 | Assigned | PAETEC ITEL, LLC | 829J | HERCUMPVLY | MO |
| 2011-09-30 | 636-479-1XXX | 1000–1999 | Assigned | AT&T ENTERPRISES, LLC | 516C | HERCUMPVLY | MO |
| 2011-09-09 | 636-200-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | MANCHESTER | MO |
| 2011-09-09 | 636-896-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | ST CHARLES | MO |
| 2011-08-22 | 636-200-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | MANCHESTER | MO |
| 2011-08-22 | 636-203-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | FENTON | MO |
| 2011-08-22 | 636-223-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | IMPERIAL | MO |
| 2011-08-22 | 636-224-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | HERCUMPVLY | MO |
| 2011-08-22 | 636-234-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | UNION | MO |
| 2011-08-22 | 636-243-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | DE SOTO | MO |
| 2011-08-22 | 636-253-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | HIGH RIDGE | MO |
| 2011-08-22 | 636-266-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | WASHINGTON | MO |
| 2011-08-22 | 636-321-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | MAXVILLE | MO |
| 2011-08-22 | 636-322-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | ST CLAIR | MO |
| 2011-08-22 | 636-323-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | ANTONIA | MO |
| 2011-08-22 | 636-324-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | POND | MO |
| 2011-08-22 | 636-334-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | PACIFIC | MO |
| 2011-08-22 | 636-373-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - MO | 993E | ST CHARLES | MO |
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.