NPA 837 to Overlay NPA 530 (California)

Event typeOverlay
Area code530
Related code837
RegionCA
Latest letter2023-08-08

Primary documents

LetterPublishedSubject
PL-621 2023-08-08 NPA 837 to Overlay NPA 530 (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.