NPA 220 to Overlay NPA 740 (Ohio)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-471 | 2014-10-24 | NPA 220 to Overlay NPA 740 (Ohio) |
| PL-462 | 2014-02-03 | NPA 220 to Overlay NPA 740 (Ohio) |
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.