NPA 975 Overlay of NPA 816 Implementation Date Change (Missouri)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-280 | 2001-05-09 | NPA 975 Overlay of NPA 816 Implementation Date Change (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.