CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
59 prefixes in 773 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 773-318 | CHICGOZN03 | 6333 | 2004-09-07 | Yes |
| 773-332 | CHICGOZN03 | 6333 | — | Yes |
| 773-339 | CHICGOZN01 | 6333 | — | — |
| 773-343 | CHICGOZN01 | 6333 | — | — |
| 773-350 | CHICGOZN01 | 6333 | — | — |
| 773-372 | CHICGOZN03 | 6333 | 2008-07-07 | Yes |
| 773-390 | CHICGOZN01 | 6333 | — | Yes |
| 773-405 | CHICGOZN01 | 6333 | — | — |
| 773-415 | CHICGOZN01 | 6333 | — | — |
| 773-421 | CHICGOZN01 | 6333 | — | Yes |
| 773-422 | CHICGOZN01 | 6333 | — | Yes |
| 773-452 | CHICGOZN01 | 6333 | — | Yes |
| 773-484 | CHICGOZN07 | 6333 | — | Yes |
| 773-485 | CHICGOZN01 | 6333 | — | — |
| 773-497 | CHICGOZN01 | 6333 | — | Yes |
| 773-502 | CHICGOZN01 | 6333 | — | — |
| 773-505 | CHICGOZN01 | 6333 | — | — |
| 773-515 | CHICGOZN01 | 6333 | — | Yes |
| 773-518 | CHICGOZN01 | 6333 | — | Yes |
| 773-519 | CHICGOZN01 | 6333 | — | Yes |
| 773-520 | CHICGOZN01 | 6333 | — | — |
| 773-550 | CHICGOZN01 | 6333 | — | — |
| 773-558 | CHICGOZN03 | 6333 | 2007-01-15 | Yes |
| 773-571 | CHICGOZN07 | 6333 | 2007-02-20 | Yes |
| 773-573 | CHICGOZN07 | 6333 | — | Yes |
| 773-590 | CHICGOZN01 | 6333 | — | Yes |
| 773-633 | CHICGOZN07 | 6333 | — | Yes |
| 773-636 | CHICGOZN01 | 6333 | — | — |
| 773-662 | CHICGOZN01 | 6333 | — | Yes |
| 773-675 | CHICGOZN07 | 6333 | 2008-07-07 | Yes |
| 773-682 | CHICGOZN03 | 6333 | 2005-10-17 | Yes |
| 773-689 | CHICGOZN01 | 6333 | — | Yes |
| 773-705 | CHICGOZN04 | 6333 | 2024-08-28 | Yes |
| 773-706 | CHICGOZN03 | 6333 | 2005-07-18 | Yes |
| 773-717 | CHICGOZN07 | 6333 | 2008-09-16 | Yes |
| 773-718 | CHICGOZN01 | 6333 | — | Yes |
| 773-720 | CHICGOZN01 | 6333 | — | — |
| 773-724 | CHICGOZN03 | 6333 | 2005-10-17 | Yes |
| 773-758 | CHICGOZN01 | 6333 | — | — |
| 773-760 | CHICGOZN01 | 6333 | — | Yes |
| 773-766 | CHICGOZN03 | 6333 | 2008-09-15 | Yes |
| 773-771 | CHICGOZN01 | 6333 | — | — |
| 773-798 | CHICGOZN07 | 6333 | 2008-08-21 | Yes |
| 773-802 | CHICGOZN01 | 6333 | — | — |
| 773-805 | CHICGOZN01 | 6333 | — | — |
| 773-833 | CHICGOZN01 | 6333 | — | Yes |
| 773-835 | CHICGOZN01 | 6333 | — | Yes |
| 773-848 | CHICGOZN01 | 6333 | — | — |
| 773-849 | CHICGOZN03 | 6333 | 2007-02-20 | Yes |
| 773-850 | CHICGOZN03 | 6333 | 2008-08-21 | Yes |
| 773-859 | CHICGOZN01 | 6333 | — | Yes |
| 773-882 | CHICGOZN01 | 6333 | — | — |
| 773-898 | CHICGOZN01 | 6333 | — | Yes |
| 773-899 | CHICGOZN03 | 6333 | 2006-03-15 | Yes |
| 773-909 | CHICGOZN01 | 6333 | — | — |
| 773-914 | CHICGOZN01 | 6333 | — | Yes |
| 773-919 | CHICGOZN01 | 6333 | — | — |
| 773-951 | CHICGOZN03 | 6333 | 2006-10-16 | Yes |
| 773-965 | CHICGOZN01 | 6333 | — | 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.