NPA 564 to Overlay NPA 360 (Washington)

Event typeOverlay
Area code360
Related code564
RegionWA
Latest letter2016-06-28

Primary documents

LetterPublishedSubject
PL-492 2016-06-28 NPA 564 to Overlay NPA 360 (Washington)

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.