NPA 878 to Overlay NPAs 412 and 724 (Pennsylvania)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-222 | 2000-03-14 | NPA 878 to Overlay NPAs 412 and 724 (Pennsylvania) |
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.