North American NumbersRedding
Area code 530 serves northeastern and northern California, including Redding, Chico, and the Lake Tahoe area. It split from area code 916 on November 1, 1997 and is overlaid by area code 837.
Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.
Where 530 is
Northeastern and northern California spanning the Sacramento Valley, Shasta Cascade, and northern Sierra Nevada across roughly 20 counties including Butte, Shasta, Nevada, Placer, Siskiyou, Tehama, Yolo, and Yuba..
Communities served wholly or partly by 530:
Representative list of major cities, not exhaustive.
How it relates to other codes
The codes 530 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?
How 530 got here
How full it is
Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.
Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.