LEVEL 3 COMMUNICATIONS, LLC - WA
32 prefixes in 509 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 509-203 | GRANDVIEW | 6121 | 2003-01-07 | Yes |
| 509-288 | COLFAX | 6121 | 2002-02-07 | Yes |
| 509-293 | WENATCHEE | 6121 | — | Yes |
| 509-320 | STARBUCK | 6121 | 2004-06-14 | Yes |
| 509-383 | GRANGER | 6121 | 2002-10-18 | Yes |
| 509-388 | YAKIMA | 6121 | — | Yes |
| 509-392 | RICHLAND | 6121 | — | Yes |
| 509-396 | KENNEWICK | 6121 | — | Yes |
| 509-416 | PASCO | 6121 | — | Yes |
| 509-417 | WARDEN | 6121 | 2016-02-09 | Yes |
| 509-500 | ASOTIN | 6121 | — | Yes |
| 509-557 | OMAK | 6121 | 2002-04-04 | Yes |
| 509-563 | COLVILLE | 6121 | 2002-04-04 | Yes |
| 509-566 | POMEROY | 6121 | 2002-04-04 | Yes |
| 509-587 | BREWSTER | 6121 | 2002-03-14 | Yes |
| 509-590 | SPOKANE | 6121 | 2002-05-07 | Yes |
| 509-591 | KENNEWICK | 6121 | 2002-05-07 | Yes |
| 509-593 | WALLAWALLA | 6121 | 2002-05-07 | Yes |
| 509-594 | YAKIMA | 6121 | 2002-05-07 | Yes |
| 509-643 | SUNNYSIDE | 6121 | 2002-09-19 | Yes |
| 509-715 | PULLMAN | 6121 | — | Yes |
| 509-774 | WH SALMON | 6121 | 2002-06-12 | Yes |
| 509-776 | COLUMBIA | 6121 | 2002-06-12 | Yes |
| 509-778 | PROSSER | 6121 | 2002-06-12 | Yes |
| 509-855 | MOSES LAKE | 6121 | 2002-07-17 | Yes |
| 509-903 | LIBERTY LK | 6121 | 2015-01-15 | Yes |
| 509-904 | SPOKANE | 6121 | 2016-12-07 | Yes |
| 509-905 | PASCO | 6121 | 2019-06-20 | Yes |
| 509-931 | SPOKANE | 6121 | — | Yes |
| 509-978 | NESPELEM | 6121 | 2002-09-11 | Yes |
| 509-980 | CONNELL | 6121 | — | Yes |
| 509-983 | STARBUCK | 6121 | 2002-09-11 | 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.