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 660
New assignments by month
Sep 2026
Aug 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2017-08-11 | 660-749-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WINSTON | MO |
| 2017-08-10 | 660-272-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MENDON | MO |
| 2017-08-10 | 660-297-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ALBANY | MO |
| 2017-08-10 | 660-533-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | COFFEY | MO |
| 2017-08-10 | 660-564-6XXX | 6000–6999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | GRANT CITY | MO |
| 2017-08-10 | 660-786-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ALLENDALE | MO |
| 2017-08-10 | 660-828-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | JAMESON | MO |
| 2017-02-27 | 660-839-4XXX | 4000–4999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WOOLDRIDGE | MO |
| 2016-12-14 | 660-476-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | APPLETONCY | MO |
| 2016-12-14 | 660-839-5XXX | 5000–5999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WOOLDRIDGE | MO |
| 2015-09-02 | 660-591-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MACON | MO |
| 2015-08-26 | 660-275-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | KAHOKA | MO |
| 2014-12-30 | 660-730-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | KIRKSVILLE | MO |
| 2014-06-16 | 660-460-2XXX | 2000–2999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SEDALIA | MO |
| 2014-04-24 | 660-312-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | KNOBNOSTER | MO |
| 2014-04-14 | 660-357-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | TRENTON | MO |
| 2014-04-14 | 660-402-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MARCELINE | MO |
| 2014-04-14 | 660-529-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SLATER | MO |
| 2014-04-14 | 660-586-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | NEWFRNKLIN | MO |
| 2014-04-11 | 660-338-8XXX | 8000–8999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | GLASGOW | MO |
| 2014-04-11 | 660-347-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LA MONTE | MO |
| 2014-04-11 | 660-456-2XXX | 2000–2999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | HIGBEE | MO |
| 2014-04-10 | 660-268-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | BROOKFIELD | MO |
| 2014-04-10 | 660-273-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | ARMSTRONG | MO |
| 2014-04-10 | 660-379-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | DOWNING | MO |
| 2014-04-10 | 660-542-5XXX | 5000–5999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | CARROLLTON | MO |
| 2014-02-27 | 660-236-5XXX | 5000–5999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MARSHALL | MO |
| 2013-11-05 | 660-362-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WARRENSBG | MO |
| 2013-11-05 | 660-492-1XXX | 1000–1999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | CLINTON | MO |
| 2013-10-08 | 660-205-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SWEET SPG | MO |
| 2013-10-08 | 660-210-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | URICH | MO |
| 2013-10-08 | 660-252-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | TIPTON | MO |
| 2013-10-08 | 660-298-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SYRACUSE | MO |
| 2013-10-08 | 660-428-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WARSAW | MO |
| 2013-10-08 | 660-493-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | WAVERLY | MO |
| 2013-10-07 | 660-204-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | SMITHTON | MO |
| 2013-10-03 | 660-206-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | OTTERVILLE | MO |
| 2013-10-03 | 660-209-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | GREENRIDGE | MO |
| 2013-10-03 | 660-212-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LEETON | MO |
| 2013-10-03 | 660-219-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | HOUSTONIA | MO |
| 2013-10-03 | 660-220-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MALTA BEND | MO |
| 2013-10-03 | 660-228-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MONTROSE | MO |
| 2013-10-03 | 660-246-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | HARDIN | MO |
| 2013-10-03 | 660-251-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LEXINGTON | MO |
| 2013-10-03 | 660-279-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | BLACKBURN | MO |
| 2013-10-03 | 660-547-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | LINCOLN | MO |
| 2013-10-03 | 660-594-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | NORBORNE | MO |
| 2013-10-02 | 660-207-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | APPLETONCY | MO |
| 2013-10-02 | 660-208-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | BLAIRSTOWN | MO |
| 2013-10-02 | 660-215-7XXX | 7000–7999 | Assigned | CENTURYLINK COMMUNICATIONS, LLC | 508J | MARYVILLE | 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.