NPA 357 to Overlay NPA 559 (California)

Event typeOverlay
Area code559
Related code357
RegionCA
Latest letter2024-02-06

Primary documents

LetterPublishedSubject
PL-624 2024-02-06 NPA 357 to Overlay NPA 559 (California)

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.