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 843
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 |
|---|---|---|---|---|---|---|---|
| 2015-05-07 | 843-535-9XXX | 9000–9999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | BENNETTSVL | SC |
| 2015-05-07 | 843-751-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CHARLESTON | SC |
| 2015-05-07 | 843-818-3XXX | 3000–3999 | Assigned | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | CHARLESTON | SC |
| 2015-04-23 | 843-289-3XXX | 3000–3999 | Assigned | PAETEC ITEL, LLC | 829J | MARION | SC |
| 2015-04-21 | 843-261-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | CHARLESTON | SC |
| 2015-04-21 | 843-804-6XXX | 6000–6999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | CHARLESTON | SC |
| 2015-04-15 | 843-707-2XXX | 2000–2999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | BLUFFTON | SC |
| 2015-04-14 | 843-620-8XXX | 8000–8999 | Assigned | COMCAST IP PHONE, LLC | 318J | HOLLYWOOD | SC |
| 2015-04-09 | 843-800-9XXX | 9000–9999 | Assigned | ONVOY, LLC - SC | 548E | MTPLEASANT | SC |
| 2015-04-03 | 843-360-5XXX | 5000–5999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | MYRTLE BCH | SC |
| 2015-04-03 | 843-970-6XXX | 6000–6999 | Assigned | PAETEC ITEL, LLC | 829J | SUMMERVL | SC |
| 2015-04-03 | 843-973-8XXX | 8000–8999 | Assigned | SOUTH CAROLINA NET, INC. - SC | 1784 | CHARLESTON | SC |
| 2015-03-31 | 843-481-4XXX | 4000–4999 | Assigned | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - SC | 8534 | KINGSTREE | SC |
| 2015-03-23 | 843-256-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | ISLE PALMS | SC |
| 2015-03-23 | 843-631-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | EDISTO IS | SC |
| 2015-03-23 | 843-631-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | EDISTO IS | SC |
| 2015-03-23 | 843-732-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | SULLIVNSIS | SC |
| 2015-03-23 | 843-732-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | SULLIVNSIS | SC |
| 2015-03-23 | 843-790-3XXX | 3000–3999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-790-4XXX | 4000–4999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-790-5XXX | 5000–5999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-790-6XXX | 6000–6999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-790-7XXX | 7000–7999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-790-8XXX | 8000–8999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-790-9XXX | 9000–9999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | CHARLESTON | SC |
| 2015-03-23 | 843-970-0XXX | 0000–0999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | SUMMERVL | SC |
| 2015-03-23 | 843-970-1XXX | 1000–1999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | SUMMERVL | SC |
| 2015-03-23 | 843-970-2XXX | 2000–2999 | Assigned | BANDWIDTH.COM CLEC, LLC - SC | 077F | SUMMERVL | SC |
| 2015-03-16 | 843-790-0XXX | 0000–0999 | Assigned | ONVOY, LLC - SC | 548E | CHARLESTON | SC |
| 2015-03-16 | 843-790-1XXX | 1000–1999 | Assigned | ONVOY, LLC - SC | 548E | CHARLESTON | SC |
| 2015-03-16 | 843-790-2XXX | 2000–2999 | Assigned | ONVOY, LLC - SC | 548E | CHARLESTON | SC |
| 2015-03-12 | 843-970-5XXX | 5000–5999 | Assigned | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL | 9417 | SUMMERVL | SC |
| 2015-03-10 | 843-207-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | CHARLESTON | SC |
| 2015-03-10 | 843-492-9XXX | 9000–9999 | Assigned | SOUTH CAROLINA NET, INC. - SC | 1784 | MYRTLE BCH | SC |
| 2015-03-10 | 843-668-2XXX | 2000–2999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | COLLINSCK | SC |
| 2015-03-10 | 843-805-4XXX | 4000–4999 | Assigned | COMCAST IP PHONE, LLC | 318J | CHARLESTON | SC |
| 2015-03-10 | 843-945-1XXX | 1000–1999 | Assigned | TWC IP ENABLED SERVICES, LLC | 793K | MYRTLE BCH | SC |
| 2015-03-05 | 843-695-3XXX | 3000–3999 | Assigned | WOW! INTERNET, CABLE AND PHONE | 961J | SUMMERVL | SC |
| 2015-03-04 | 843-360-4XXX | 4000–4999 | Assigned | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC | 6398 | MYRTLE BCH | SC |
| 2015-03-04 | 843-885-5XXX | 5000–5999 | Assigned | LEVEL 3 COMMUNICATIONS, LLC - SC | 5258 | ISLE PALMS | SC |
| 2015-03-03 | 843-205-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | MYRTLE BCH | SC |
| 2015-03-03 | 843-251-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | MYRTLE BCH | SC |
| 2015-03-03 | 843-286-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | MYRTLE BCH | SC |
| 2015-03-03 | 843-668-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | COLLINSCK | SC |
| 2015-03-03 | 843-668-1XXX | 1000–1999 | Assigned | METROPCS, INC. | 5562 | COLLINSCK | SC |
| 2015-03-02 | 843-419-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | SUMMERVL | SC |
| 2015-03-02 | 843-518-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | CHARLESTON | SC |
| 2015-03-02 | 843-534-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | CHARLESTON | SC |
| 2015-03-02 | 843-727-9XXX | 9000–9999 | Assigned | METROPCS, INC. | 5562 | CHARLESTON | SC |
| 2015-03-02 | 843-751-0XXX | 0000–0999 | Assigned | METROPCS, INC. | 5562 | CHARLESTON | SC |
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.