NPA 463 to Overlay NPA 317 (Indiana)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-496 | 2016-08-31 | NPA 463 to Overlay NPA 317 (Indiana) |
| PL-482 | 2015-05-13 | NPA 463 to Overlay NPA 317 (Indiana) |
All documents are official NANPA planning letters (Tier A sources). This page consolidates every letter we have on record for this event; it is updated automatically when new letters are detected, with sensitive changes held for editorial review first.