All assignees
125 prefixes in 464 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 464-200 | LANSING | 965H | 2021-11-09 | Yes |
| 464-201 | OAK FOR SO | 6534 | 2021-12-15 | Yes |
| 464-202 | LA GRANGE | 6529 | 2022-01-11 | Yes |
| 464-203 | OAK FOR SO | 6534 | 2022-03-17 | Yes |
| 464-204 | CICERO | 6333 | 2022-05-11 | Yes |
| 464-205 | PALOS PARK | 6115 | 2022-03-15 | Yes |
| 464-206 | CICERO | 6333 | 2022-07-08 | Yes |
| 464-207 | FOREST | 6534 | 2022-08-16 | Yes |
| 464-208 | OAK FOR SO | 6534 | 2022-12-14 | Yes |
| 464-209 | FOREST | 6534 | 2023-01-10 | Yes |
| 464-210 | BLUEISLAND | 6534 | 2023-01-12 | Yes |
| 464-211 | XXXXXXXXXX | MULT | — | — |
| 464-212 | FOREST | 6534 | 2023-03-16 | Yes |
| 464-213 | OAK FOR SO | 6534 | 2023-03-31 | Yes |
| 464-214 | LA GRANGE | 6534 | 2023-04-12 | Yes |
| 464-215 | FOREST | 6534 | 2023-05-11 | Yes |
| 464-216 | OAK FOR SO | 6534 | 2023-05-11 | Yes |
| 464-217 | FOREST | 6534 | 2023-06-20 | Yes |
| 464-218 | LA GRANGE | 6534 | 2023-06-21 | Yes |
| 464-219 | CICERO | 224C | 2023-06-26 | Yes |
| 464-220 | CRETE | 224C | 2023-06-26 | Yes |
| 464-221 | BERWYN | 224C | 2023-07-11 | Yes |
| 464-222 | MOKENA | 965H | 2021-11-04 | Yes |
| 464-223 | PEOTONE | 224C | 2023-07-11 | Yes |
| 464-224 | LA GRANGE | 6534 | 2023-07-18 | Yes |
| 464-225 | OAK FOR SO | 6534 | 2023-07-18 | Yes |
| 464-226 | FOREST | 6534 | 2023-08-08 | Yes |
| 464-227 | OAK LAWN | 224C | 2023-08-16 | Yes |
| 464-228 | BLUEISLAND | 224C | 2023-09-01 | Yes |
| 464-229 | OAK FOR SO | 6534 | 2023-09-06 | Yes |
| 464-230 | LA GRANGE | 6534 | 2023-09-11 | Yes |
| 464-231 | FOREST | 6534 | 2023-10-31 | Yes |
| 464-232 | OAK FOR SO | 6534 | 2023-10-31 | Yes |
| 464-233 | LA GRANGE | 6534 | 2024-01-03 | Yes |
| 464-234 | OAK FOR SO | 6534 | 2024-01-03 | Yes |
| 464-235 | RIVERDALE | 839J | 2024-01-10 | Yes |
| 464-236 | FOREST | 6534 | 2024-01-19 | Yes |
| 464-237 | HARVEY | 839J | 2024-02-12 | Yes |
| 464-238 | FOREST | 6534 | 2024-02-23 | Yes |
| 464-239 | BLUEISLAND | 6529 | 2024-02-23 | Yes |
| 464-240 | BELLWOOD | 6529 | 2024-02-23 | Yes |
| 464-241 | CALUMET CY | 224C | 2024-03-21 | Yes |
| 464-242 | LA GRANGE | 224C | 2024-03-21 | Yes |
| 464-243 | ORLAND | 224C | 2024-03-21 | Yes |
| 464-244 | MAYWOOD | 624H | 2024-03-21 | Yes |
| 464-245 | CICERO | 224C | 2024-04-26 | Yes |
| 464-246 | FOREST | 6534 | 2024-04-29 | Yes |
| 464-247 | LA GRANGE | 6534 | 2024-04-30 | Yes |
| 464-248 | OAK FOR SO | 6534 | 2024-04-30 | Yes |
| 464-249 | CHICAGOHTS | 224C | 2024-05-14 | Yes |
| 464-250 | BLUEISLAND | 224C | 2024-07-05 | Yes |
| 464-251 | CHICAGOHTS | 6534 | 2024-08-21 | Yes |
| 464-252 | LA GRANGE | 6534 | 2024-09-24 | Yes |
| 464-253 | BLUEISLAND | 224C | 2024-11-19 | Yes |
| 464-254 | OAK FOR SO | 6534 | 2024-12-09 | Yes |
| 464-255 | FOREST | 6534 | 2024-12-16 | Yes |
| 464-256 | CHICAGOHTS | 6534 | 2025-01-14 | Yes |
| 464-257 | LA GRANGE | 6534 | 2025-01-14 | Yes |
| 464-258 | CICERO | 6529 | 2025-02-12 | Yes |
| 464-259 | CICERO | 224C | 2025-02-12 | Yes |
| 464-260 | OAK FOR SO | 6534 | 2025-02-20 | Yes |
| 464-261 | FOREST | 6534 | 2025-03-07 | Yes |
| 464-262 | BLUEISLAND | 984E | 2025-03-10 | Yes |
| 464-263 | OAK FOR SO | 516J | 2022-03-22 | Yes |
| 464-264 | OAK LAWN | 224C | 2025-03-13 | Yes |
| 464-265 | LA GRANGE | 984E | 2025-04-16 | Yes |
| 464-266 | CICERO | 224C | 2023-01-13 | Yes |
| 464-267 | OAK FOR SO | 6534 | 2025-04-16 | Yes |
| 464-268 | LA GRANGE | 6534 | 2025-04-17 | Yes |
| 464-269 | FOREST | 6534 | 2025-05-16 | Yes |
| 464-270 | LA GRANGE | 6534 | 2025-05-16 | Yes |
| 464-271 | OAK FOR SO | 6534 | 2025-06-20 | Yes |
| 464-272 | OAK FOR SO | 6534 | 2025-06-20 | Yes |
| 464-273 | FOREST | 6534 | 2025-06-30 | Yes |
| 464-274 | FOREST | 6534 | 2025-06-30 | Yes |
| 464-275 | FOREST | 6534 | 2025-06-30 | Yes |
| 464-276 | LA GRANGE | 6534 | 2025-10-07 | Yes |
| 464-277 | SUMMIT | 6333 | 2025-11-17 | Yes |
| 464-278 | LA GRANGE | 6534 | 2025-11-18 | Yes |
| 464-279 | LA GRANGE | 6534 | 2025-11-18 | Yes |
| 464-280 | ORLAND | 224C | 2025-12-12 | Yes |
| 464-281 | OAK FOR SO | 6534 | 2025-12-15 | Yes |
| 464-282 | OAK FOR SO | 6534 | 2025-12-15 | Yes |
| 464-283 | BLUEISLAND | 224C | 2026-01-14 | Yes |
| 464-284 | CHICAGOHTS | 224C | 2026-01-21 | Yes |
| 464-285 | FOREST | 6534 | 2026-02-27 | Yes |
| 464-286 | FOREST | 6534 | 2026-03-02 | Yes |
| 464-287 | OAK FOR SO | 6534 | 2026-03-19 | Yes |
| 464-288 | OAK FOR SO | 6534 | 2026-08-27 | Yes |
| 464-289 | OAK FOR SO | 6534 | 2026-08-27 | Yes |
| 464-290 | FOREST | 6534 | 2026-09-02 | Yes |
| 464-291 | LA GRANGE | 6534 | 2026-09-09 | Yes |
| 464-292 | LA GRANGE | 6534 | 2026-09-09 | Yes |
| 464-293 | MOKENA | 224C | 2026-09-15 | Yes |
| 464-300 | CICERO | 965H | 2021-11-09 | Yes |
| 464-311 | XXXXXXXXXX | MULT | — | — |
| 464-333 | HARVEY | 965H | 2021-11-02 | Yes |
| 464-345 | LA GRANGE | 965H | 2022-03-09 | Yes |
| 464-400 | BELLWOOD | 965H | 2021-11-09 | Yes |
| 464-411 | XXXXXXXXXX | MULT | — | — |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.