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 605
New assignments by month
Sep 2026
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Oct 2025
| Assigned | Thousands-block | Last 4 digits | Status | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|---|---|
| 2024-10-16 | 605-600-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | RAPID CITY | SD |
| 2023-09-01 | 605-621-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | MADISON | SD |
| 2023-07-05 | 605-581-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | MOBRIDGE | SD |
| 2023-06-13 | 605-405-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | ARLINGTON | SD |
| 2023-05-22 | 605-808-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | REDFIELD | SD |
| 2023-05-18 | 605-898-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | IROQUOIS | SD |
| 2023-05-18 | 605-989-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | NOVALENTIN | SD |
| 2023-02-17 | 605-549-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | SPEARFISH | SD |
| 2023-02-15 | 605-601-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | SIOUX FLS | SD |
| 2023-02-15 | 605-601-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | SIOUX FLS | SD |
| 2022-03-29 | 605-909-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | HILL CITY | SD |
| 2021-11-22 | 605-401-5XXX | 5000–5999 | Assigned | TELNYX LLC | 073H | SIOUX FLS | SD |
| 2021-10-11 | 605-998-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | MILLER | SD |
| 2021-10-07 | 605-502-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | PIERRE | SD |
| 2021-02-23 | 605-291-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | MADISON | SD |
| 2021-02-05 | 605-952-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | ELK POINT | SD |
| 2020-12-11 | 605-674-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | BIGSTONECY | SD |
| 2020-12-11 | 605-979-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | NOSIOUX CY | SD |
| 2020-12-08 | 605-316-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | IROQUOIS | SD |
| 2020-01-08 | 605-204-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | MILLER | SD |
| 2019-11-07 | 605-640-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | MCINTOSH | SD |
| 2019-09-23 | 605-309-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | NOVALENTIN | SD |
| 2019-09-18 | 605-699-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | BELLEFORCH | SD |
| 2019-09-05 | 605-204-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | MILLER | SD |
| 2019-09-05 | 605-205-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | ELK POINT | SD |
| 2019-09-05 | 605-270-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | MADISON | SD |
| 2019-09-05 | 605-307-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | HILL CITY | SD |
| 2019-09-05 | 605-315-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | ARLINGTON | SD |
| 2019-09-05 | 605-460-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | REDFIELD | SD |
| 2019-09-05 | 605-499-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | STURGIS | SD |
| 2019-09-05 | 605-599-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | CAVOUR | SD |
| 2019-09-05 | 605-633-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | FLANDREAU | SD |
| 2019-09-05 | 605-836-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | CANTON | SD |
| 2019-09-05 | 605-860-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | DE SMET | SD |
| 2019-09-05 | 605-930-4XXX | 4000–4999 | Assigned | TELNYX LLC | 073H | VOLGA | SD |
| 2019-08-30 | 605-570-3XXX | 3000–3999 | Assigned | TELNYX LLC | 073H | HURON | SD |
| 2019-08-30 | 605-815-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | CHAMBERLAN | SD |
| 2018-09-13 | 605-210-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | BELLEFORCH | SD |
| 2018-09-13 | 605-741-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | VERMILLION | SD |
| 2018-09-13 | 605-857-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | YANKTON | SD |
| 2018-09-13 | 605-949-8XXX | 8000–8999 | Assigned | TELNYX LLC | 073H | MILBANK | SD |
| 2017-03-21 | 605-301-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | PIERRE | SD |
| 2017-03-21 | 605-340-6XXX | 6000–6999 | Assigned | TELNYX LLC | 073H | SPEARFISH | SD |
| 2017-03-21 | 605-550-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | MITCHELL | SD |
| 2017-03-21 | 605-646-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | RAPID CITY | SD |
| 2017-03-21 | 605-743-3XXX | 3000–3999 | Assigned | TELNYX LLC | 073H | HARISBGTEA | SD |
| 2017-03-21 | 605-824-9XXX | 9000–9999 | Assigned | TELNYX LLC | 073H | ABERDEEN | SD |
| 2017-03-21 | 605-847-2XXX | 2000–2999 | Assigned | TELNYX LLC | 073H | LK PRESTON | SD |
| 2017-03-21 | 605-954-0XXX | 0000–0999 | Assigned | TELNYX LLC | 073H | WATERTOWN | SD |
| 2016-12-21 | 605-305-1XXX | 1000–1999 | Assigned | TELNYX LLC | 073H | SIOUX FLS | SD |
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.