NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/20/2026
The Code holder is who opened each NPA-NXX prefix — not necessarily who holds the numbers. A prefix is 10,000 numbers, but under pooling its ten 1,000-number blocks are handed out individually, often to different carriers; the code holder may hold only one block, or none. The Thousands-blocks column shows how the ten blocks are really split — click which blocks → to see who holds each 1,000-number block and its last-4-digit range. Assignments are initial assignments; the current serving carrier may differ due to portability.
Most active assignees, all time — NPA 208
New assignments by month
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| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 208-836 | 1XXX which blocks → | INLAND TEL CO | 2423 | LENORE | ID |
| — | 208-837 | 0XXX1XXX2XXX3XXX5XXX7XXX8XXX · 3 holders which blocks → | QWEST CORPORATION | 9636 | TWIN FALLS | ID |
| — | 208-838 | not yet reported which blocks → | CUSTER TEL. COOP., INC. | 2218 | CLAYTON | ID |
| — | 208-839 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | ZIPLY FIBER IDAHO, LLC DBA ZIPLY FIBER | 4427 | WHITE BIRD | ID |
| — | 208-840 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | POCATELLO | ID |
| — | 208-841 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BOISE | ID |
| — | 208-842 | 1XXX3XXX4XXX6XXX7XXX8XXX · 4 holders which blocks → | ZIPLY FIBER IDAHO, LLC DBA ZIPLY FIBER | 4427 | ELK CITY | ID |
| — | 208-843 | 0XXX1XXX3XXX4XXX6XXX8XXX · 3 holders which blocks → | QWEST CORPORATION | 9638 | LAPWAI | ID |
| — | 208-844 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 7 holders which blocks → | TELNYX LLC | 073H | ABERDEEN | ID |
| — | 208-845 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | CENTURYTEL GEM STATE INC-ID DBA CENTURYLINK - ID | 4437 | BRUNEAU | ID |
| — | 208-846 | not yet reported which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
| — | 208-847 | 6XXX7XXX8XXX9XXX · 4 holders which blocks → | QWEST CORPORATION | 9636 | POCATELLO | ID |
| — | 208-848 | 3XXX4XXX5XXX6XXX · 3 holders which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | LEWISTON | ID |
| — | 208-850 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BOISE | ID |
| — | 208-851 | 3XXX4XXX5XXX6XXX7XXX9XXX which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | POCATELLO | ID |
| — | 208-852 | 8XXX which blocks → | QWEST CORPORATION | 9636 | POCATELLO | ID |
| — | 208-853 | not yet reported which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
| — | 208-854 | 3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 2 holders which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
| — | 208-855 | not yet reported which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
| — | 208-856 | 0–9 XXXall 10 · 4 holders which blocks → | ONVOY, LLC - ID | 689F | MELBA | ID |
| — | 208-857 | not yet reported which blocks → | RURAL TEL CO | 2233 | THREECREEK | ID |
| — | 208-858 | 0XXX1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4324 | WELLESLEY | ID |
| — | 208-859 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-860 | 5XXX6XXX8XXX which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-861 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-862 | not yet reported which blocks → | PROJECT MUTUAL TEL. COOP. ASSN., INC. | 2231 | OAKLEY | ID |
| — | 208-863 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BOISE | ID |
| — | 208-864 | not yet reported which blocks → | RURAL TEL CO | 2233 | ATLANTA | ID |
| — | 208-865 | 1XXX7XXX8XXX · 2 holders which blocks → | CENTURYTEL OF IDAHO, INC. DBA CENTURYLINK | 2225 | SALMON | ID |
| — | 208-866 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-867 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC | 6010 | BOISE | ID |
| — | 208-868 | not yet reported which blocks → | RURAL TEL CO | 2233 | PRAIRIE | ID |
| — | 208-869 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-870 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-871 | 3XXX4XXX5XXX6XXX8XXX which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | BOISE | ID |
| — | 208-873 | not yet reported which blocks → | SILVER STAR TEL CO INC | 2295 | FREEDOM | ID |
| — | 208-874 | 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4321 | MOSCOW | ID |
| — | 208-875 | 2XXX3XXX4XXX5XXX6XXX7XXX9XXX · 4 holders which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4321 | POTLATCH | ID |
| — | 208-876 | not yet reported which blocks → | CUSTER TEL. COOP., INC. | 2218 | MAY | ID |
| — | 208-877 | 0XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4321 | DEARY | ID |
| — | 208-878 | not yet reported which blocks → | PROJECT MUTUAL TEL. COOP. ASSN., INC. - ID | 3816 | BURLEY | ID |
| — | 208-879 | not yet reported which blocks → | CUSTER TEL. COOP., INC. | 2218 | CHALLIS | ID |
| — | 208-880 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - ID | 6565 | NAMPA | ID |
| — | 208-882 | not yet reported which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4321 | MOSCOW | ID |
| — | 208-883 | not yet reported which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4321 | MOSCOW | ID |
| — | 208-884 | not yet reported which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
| — | 208-885 | not yet reported which blocks → | ZIPLY FIBER NORTHWEST, LLC DBA ZIPLY FIBER | 4321 | MOSCOW | ID |
| — | 208-886 | 0XXX1XXX3XXX4XXX5XXX6XXX8XXX · 3 holders which blocks → | QWEST CORPORATION | 9636 | TWIN FALLS | ID |
| — | 208-887 | not yet reported which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
| — | 208-888 | not yet reported which blocks → | QWEST CORPORATION | 9636 | BOISE | ID |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/20/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.