Recent prefix assignments
347 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/29/2026
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.
| Assigned | NPA-NXX | Thousands-blocks taken (last-4 opening) | Code holder | OCN | Rate center | State |
|---|---|---|---|---|---|---|
| — | 615-936 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | NASHVILLE | TN |
| — | 615-937 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | NASHVILLE | TN |
| — | 615-940 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | XXXXXXXXXX | TN |
| — | 615-941 | not yet reported which blocks → | UNITED TELEPHONE COMPANY DBA UNITED COMMUNICATIONS | 0581 | NOLENSVL | TN |
| — | 615-943 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-944 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-945 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-947 | 0–9 XXXall 10 · 2 holders which blocks → | POWERTEL NASHVILLE LICENSES, INC. | 7476 | NASHVILLE | TN |
| — | 615-948 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| — | 615-950 | not yet reported which blocks → | TN | |||
| — | 615-951 | not yet reported which blocks → | SPOK, INC. | 6630 | NASHVILLE | TN |
| — | 615-952 | 0XXX1XXX7XXX8XXX · 3 holders which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | KINGSTNSPG | TN |
| — | 615-957 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-958 | not yet reported which blocks → | TN | |||
| — | 615-959 | not yet reported which blocks → | TN | |||
| — | 615-963 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | NASHVILLE | TN |
| — | 615-969 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TN | 6673 | NASHVILLE | TN |
| — | 615-972 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-973 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-974 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-975 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-976 | not yet reported which blocks → | TN | |||
| — | 615-977 | not yet reported which blocks → | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | NASHVILLE | TN |
| — | 615-978 | not yet reported which blocks → | SPOK, INC. | 6630 | NASHVILLE | TN |
| — | 615-984 | 1XXX3XXX4XXX5XXX6XXX7XXX8XXX9XXX · 4 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | SMYRNA | TN |
| — | 615-985 | 1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | SPRINGFLD | TN |
| — | 615-986 | 8XXX which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | NASHVILLE | TN |
| — | 615-989 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 5 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | GALLATIN | TN |
| — | 615-990 | not yet reported which blocks → | BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL | 9419 | XXXXXXXXXX | TN |
| — | 615-991 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | HENDERSNVL | TN |
| — | 615-992 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX7XXX8XXX · 4 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | GOODLETSVL | TN |
| — | 615-994 | 0XXX1XXX2XXX4XXX5XXX6XXX7XXX8XXX9XXX · 5 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | LEBANON | TN |
| — | 615-995 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → | TELEPORT COMMUNICATIONS AMERICA, LLC - TN | 114F | MURFREESBO | TN |
| — | 616-204 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | GRAND RPDS | MI |
| — | 616-208 | 0XXX1XXX2XXX3XXX4XXX5XXX6XXX8XXX9XXX · 3 holders which blocks → | DAYSTARR LLC DBA DAYSTARR COMMUNICATIONS | 993L | BELDING | MI |
| — | 616-211 | not yet reported which blocks → | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | MI |
| — | 616-212 | 0–9 XXXall 10 · 3 holders which blocks → | 123.NET, LLC | 2550 | HOLLAND | MI |
| — | 616-218 | none assigned yet which blocks → | OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC | 2964 | HOLLAND | MI |
| — | 616-220 | not yet reported which blocks → | AMERICAN MESSAGING SERVICES, LLC | 9748 | GRAND RPDS | MI |
| — | 616-222 | not yet reported which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7157 | GRAND RPDS | MI |
| — | 616-223 | 0–9 XXXall 10 · 6 holders which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | GRANDHAVEN | MI |
| — | 616-224 | not yet reported which blocks → | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI | 7157 | GRAND RPDS | MI |
| — | 616-225 | not yet reported which blocks → | MICHIGAN BELL TEL CO | 9323 | GREENVILLE | MI |
| — | 616-226 | 0–9 XXXall 10 · 5 holders which blocks → | LEVEL 3 COMMUNICATIONS, LLC - MI | 6120 | GRAND RPDS | MI |
| — | 616-230 | not yet reported which blocks → | AMERICAN MESSAGING SERVICES, LLC | 9748 | GRAND RPDS | MI |
| — | 616-233 | not yet reported which blocks → | MICHIGAN BELL TEL CO | 9323 | GRAND RPDS | MI |
| — | 616-234 | not yet reported which blocks → | MICHIGAN BELL TEL CO | 9323 | GRAND RPDS | MI |
| — | 616-235 | not yet reported which blocks → | MICHIGAN BELL TEL CO | 9323 | GRAND RPDS | MI |
| — | 616-240 | not yet reported which blocks → | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI | 6003 | GRAND RPDS | MI |
| — | 616-241 | not yet reported which blocks → | MICHIGAN BELL TEL CO | 9323 | GRAND RPDS | MI |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/29/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.