NPA 872 to Overlay NPA 312 and 773 (Illinois)
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-392 | 2009-08-10 | NPA 872 to Overlay NPA 312 and 773 (Illinois) |
| PL-390 | 2009-06-15 | NPA 872 to Overlay NPA 312 and 773 (Illinois) |
| PL-195 | 1999-10-24 | NPA 872 to Overlay NPAs 312 and 773 (Illinois)NPA 464 to Overlay NPA 708NPA 331 to Overlay NPA 630 |
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.