NumberResearchRecent thousands-block assignments
0 blocks assigned in the last 30 days · from the daily NANPA thousands-block report, 09/19/2026
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 615
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2026-01-12 | 615-534-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SMYRNA | TN |
| 2025-09-10 | 615-544-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | FAIRVIEW | TN |
| 2025-07-17 | 615-549-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | LEBANON | TN |
| 2025-04-14 | 615-461-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GALLATIN | TN |
| 2025-04-14 | 615-751-1XXX | 1000–1999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SMYRNA | TN |
| 2025-03-11 | 615-378-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | KINGSTNSPG | TN |
| 2025-03-11 | 615-722-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | EAGLEVILLE | TN |
| 2024-12-03 | 615-472-0XXX | 0000–0999 | Assigned | TERRA NOVA TELECOM INC. | 145J | FRANKLIN | TN |
| 2024-12-03 | 615-562-7XXX | 7000–7999 | Assigned | TERRA NOVA TELECOM INC. | 145J | NASHVILLE | TN |
| 2022-09-20 | 615-763-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | VANLEER | TN |
| 2022-09-07 | 615-239-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | GOODLETSVL | TN |
| 2022-07-06 | 615-307-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SOFREDONIA | TN |
| 2022-07-06 | 615-395-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | TRIUNE | TN |
| 2022-07-06 | 615-412-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | SPENCERMIL | TN |
| 2020-11-17 | 615-357-2XXX | 2000–2999 | Assigned | TERRA NOVA TELECOM INC. | 145J | OLDHICKORY | TN |
| 2020-11-17 | 615-696-5XXX | 5000–5999 | Assigned | TERRA NOVA TELECOM INC. | 145J | ADMSCDARHL | TN |
| 2020-11-17 | 615-797-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | WHITEBLUFF | TN |
| 2020-11-17 | 615-799-4XXX | 4000–4999 | Assigned | TERRA NOVA TELECOM INC. | 145J | FAIRVIEW | TN |
| 2020-04-14 | 615-680-6XXX | 6000–6999 | Assigned | TERRA NOVA TELECOM INC. | 145J | HARTSVILLE | TN |
| 2020-04-13 | 615-654-8XXX | 8000–8999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CRSPLORLND | TN |
| 2020-04-13 | 615-789-9XXX | 9000–9999 | Assigned | TERRA NOVA TELECOM INC. | 145J | CHARLOTTE | TN |
Source: NANPA Thousands Block Assignment Report (All Regions, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.