NPA 457 to Overlay NPA 318 (Louisiana)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-617 | 2023-06-23 | NPA 457 to Overlay NPA 318 (Louisiana) |
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.