CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
33 prefixes in 331 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 331-201 | DOWNERSGRV | 6333 | 2012-01-06 | Yes |
| 331-213 | NAPERVILLE | 6333 | 2011-09-06 | Yes |
| 331-214 | DOWNERSGRV | 6333 | 2012-06-20 | Yes |
| 331-215 | NAPERVILLE | 6333 | 2012-09-28 | Yes |
| 331-227 | SUGARGROVE | 6333 | 2016-05-17 | Yes |
| 331-229 | NAPERVILLE | 6333 | 2012-11-27 | Yes |
| 331-234 | SUGARGROVE | 6333 | 2013-07-08 | Yes |
| 331-251 | DOWNERSGRV | 6333 | 2012-12-05 | Yes |
| 331-256 | AURORA | 6333 | 2011-09-13 | Yes |
| 331-276 | ST CHARLES | 6333 | 2014-11-10 | Yes |
| 331-280 | DOWNERSGRV | 6333 | 2021-12-29 | Yes |
| 331-285 | NAPERVILLE | 6333 | 2022-05-04 | Yes |
| 331-286 | ST CHARLES | 6333 | 2022-07-15 | Yes |
| 331-290 | AURORA | 6333 | 2022-08-26 | Yes |
| 331-291 | DOWNERSGRV | 6333 | 2022-08-26 | Yes |
| 331-294 | NAPERVILLE | 6333 | 2023-01-12 | Yes |
| 331-302 | AURORA | 6333 | 2013-02-11 | Yes |
| 331-305 | NAPERVILLE | 6333 | 2013-08-15 | Yes |
| 331-312 | AURORA | 6333 | 2023-11-06 | Yes |
| 331-314 | ST CHARLES | 6333 | 2023-11-17 | Yes |
| 331-327 | ST CHARLES | 6333 | 2024-11-14 | Yes |
| 331-339 | AURORA | 6333 | 2025-08-28 | Yes |
| 331-342 | NAPERVILLE | 6333 | 2025-11-18 | Yes |
| 331-346 | NAPERVILLE | 6333 | 2026-05-18 | Yes |
| 331-442 | ST CHARLES | 6333 | 2008-10-30 | Yes |
| 331-444 | NAPERVILLE | 6333 | 2010-08-04 | Yes |
| 331-452 | AURORA | 6333 | 2007-09-20 | Yes |
| 331-457 | NAPERVILLE | 6333 | 2008-11-14 | Yes |
| 331-481 | DOWNERSGRV | 6333 | 2008-10-29 | Yes |
| 331-625 | DOWNERSGRV | 6333 | 2009-10-16 | Yes |
| 331-701 | NAPERVILLE | 6333 | 2014-12-11 | Yes |
| 331-777 | DOWNERSGRV | 6333 | 2010-09-22 | Yes |
| 331-998 | DOWNERSGRV | 6333 | 2015-09-16 | Yes |
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.