Area codes in Redding, California
Redding, California uses 2 area codes — 530 and 837. The main Redding area code is 530.
Area codes serving Redding
Phone numbers in Redding are written as ten digits — for example (530) 555-0190 — and fall in the Pacific Time zone.
How Redding came to have 2 area codes
The original Redding area code is 530, in service since 1997. As the area ran low on available numbers, an overlay code was added over the same region for new phone lines: 837 (2025). Existing numbers kept their original code — an overlay never forces anyone to change their number — which is why Redding now uses all 2 codes and every local call is dialed with ten digits.
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Frequently asked questions
What is the area code for Redding?
The main area code for Redding, California is 530. Redding is now served by 2 area codes in total: 530, 837.
How many area codes does Redding have?
Redding has 2 area codes: 530, 837.
Why does Redding have more than one area code?
As Redding used up the numbers available in its original area code (530, in service since 1997), additional "overlay" codes were added over the same area so new phone numbers could keep being assigned.
How do you dial a Redding number?
Dial all 10 digits — the area code (530 or 837) followed by the 7-digit local number. From abroad, dial +1, then the area code and number.
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of August 2, 2026. Refreshed monthly.