Relief Tracker
152 recorded events · compiled from NANPA planning letters 1997–present
Each event page consolidates every letter issued for that decision — initial announcements, revisions and rescissions — with links to the primary documents.
| Announced | Event | Type | Area codes | Region |
|---|---|---|---|---|
| 1999-07-23 | Overlay of 718 (New York) Numbering Plan Area (NPA); New NPA 347 | overlay | 347 | NY |
| 1998-10-15 | Elimination of 713/281 (Houston, TX) Split Line and Introduction of Overlay NPA 832 | overlay | 832 | — |
Subscribe: RSS feed of new events · download the full dataset (CSV)