NPA 975 to Overlay NPA 816 (Missouri) – supersedes PL-568
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-597 | 2022-06-21 | NPA 975 to Overlay NPA 816 (Missouri) – supersedes PL-568 |
| PL-568 | 2021-10-28 | NPA 975 to Overlay NPA 816 (Missouri) |
| PL-262 | 2001-02-20 | New NPA 975 to Overlay NPA 816 (Missouri) |
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.