LEVEL 3 COMMUNICATIONS, LLC - AZ
26 prefixes in 928 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 928-202 | SEDONA | 3285 | 2002-08-16 | Yes |
| 928-208 | LKHAVASUCY | 3285 | 2002-11-14 | Yes |
| 928-224 | WINSLOW | 3285 | 2002-04-04 | Yes |
| 928-247 | YUMA | 3285 | 2007-03-15 | Yes |
| 928-251 | SHOW LOW | 3285 | 2006-10-05 | Yes |
| 928-255 | FLAGSTAFF | 3285 | — | Yes |
| 928-257 | YUMA | 3285 | — | Yes |
| 928-277 | PRESCOTT | 3285 | — | Yes |
| 928-278 | BULLHEADCY | 3285 | 2012-12-19 | Yes |
| 928-281 | SELIGMAN | 3285 | 2018-08-09 | Yes |
| 928-290 | BAGDAD | 3285 | 2018-08-09 | Yes |
| 928-297 | HOLBROOK | 3285 | 2006-12-27 | Yes |
| 928-312 | INCRPTCNYN | 3285 | 2015-01-22 | Yes |
| 928-323 | SOMERTON | 3285 | 2012-05-18 | Yes |
| 928-357 | WINDOWROCK | 3285 | 2019-10-31 | Yes |
| 928-391 | KINGMAN | 3285 | 2020-07-28 | Yes |
| 928-415 | WICKENBURG | 3285 | 2001-04-16 | Yes |
| 928-423 | FLAGSTAFF | 3285 | 2021-08-23 | Yes |
| 928-436 | GILA BEND | 3285 | — | Yes |
| 928-439 | DUNCAN | 3285 | 2012-02-29 | Yes |
| 928-457 | SNOWFLAKE | 3285 | 2007-03-08 | Yes |
| 928-466 | CASTLEROCK | 3285 | 2005-03-02 | Yes |
| 928-792 | SAFFORD | 3285 | 2002-04-09 | Yes |
| 928-793 | GLOBE | 3285 | 2002-04-09 | Yes |
| 928-852 | SEDONA | 3285 | 2002-09-17 | Yes |
| 928-988 | YUMA | 3285 | — | 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.