Assignment of NPA 588 for Non-Geographic Services
Primary documents
| Letter | Published | Subject |
|---|---|---|
| PL-487 | 2015-09-09 | Assignment of NPA 588 for Non-Geographic Services |
| PL-486 | 2015-08-28 | Assignment of NPA 588 for Non-Geographic Services |
| PL-479 | 2015-04-02 | Assignment of NPA 588 for Non-Geographic Services |
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.