NPA 640 to Overlay NPA 609 (New Jersey)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-508 | 2017-05-26 | NPA 640 to Overlay NPA 609 (New Jersey) |
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.