The 530 area code covers Chico, Redding and 105 more places in California.
Area code 530 is in California, on Pacific Time. In the 530 area, phone numbers are given out most in Butte County, then Shasta and Yolo counties. It has been in service since November 1, 1997. 837 covers the same area, so two neighbours can have different area codes.
- Where
- 8 counties in California, mostly Butte County, Shasta County and Yolo County
- Time zone
- Pacific Time
- In service since
- November 1, 1997
- Shares its area with
- 837 (since 2025)
- Prefixes in use
- 782
- How to dial
- Local calls need 1, then the area code, then the number: 1-530-555-0142.
Find out who called you from a 530 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (530) number is on today, use our free carrier lookup.
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Chico holds 8% of the phone prefixes in area code 530.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 782 prefixes in use shows where 530 numbers are actually given out.
- Chico64 prefixes, 8%
- Redding60 prefixes, 8%
- Marysville53 prefixes, 7%
- Davis33 prefixes, 4%
- Woodland26 prefixes, 3%
- Oroville22 prefixes, 3%
- South Lake Tahoe19 prefixes, 2%
- Red Bluff14 prefixes, 2%
Also served: Truckee, Shingle Springs, Anderson and Yreka and 95 smaller places.
Pacific Bell (AT&T) holds the most phone number prefixes in area code 530: 181 of 782.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 782 prefixes in use in 530 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Pacific Bell (AT&T)AT&T's landline company | 181 | 23% |
| AT&T MobilityMobile network | 67 | 9% |
| Level 3 (Lumen)Lumen's business and wholesale network | 50 | 6% |
| T-MobileMobile network | 47 | 6% |
| FrontierLandline company | 45 | 6% |
| BandwidthSupplies numbers to VoIP and app-based phone services | 43 | 5% |
| 42 other carriers | 349 | 45% |
82% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
530 has been overlaid once since 1997.
1997
530 starts on November 1, 1997, split off from 916.
2025
On January 31, 2025, 837 is added on top of 530, so new numbers here can get either code.
A 530 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 530 are 707, 916 and 415.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
California has 40 other area codes.
These are the questions people ask most about area code 530.
Where is area code 530?
530 covers Chico, Redding, Marysville and Davis and 103 more places in California. In the 530 area, phone numbers are given out most in Butte County, then Shasta and Yolo counties.
What state is area code 530 in?
California. 530 is a California area code on Pacific Time.
What cities use area code 530?
The places holding the most 530 prefixes are Chico, Redding, Marysville, Davis, Woodland, Oroville, South Lake Tahoe and Red Bluff, out of 107 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 530?
No single phone company owns 530. NANPA's records show Pacific Bell (AT&T) holds the most 530 prefixes, 181 of 782, followed by AT&T Mobility and Level 3 (Lumen). Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 530 in?
530 is on Pacific Time.
When did area code 530 start?
530 went into service on November 1, 1997, when it was split off from 916.
Is 530 the same area as 837?
Yes. 837 (since 2025) covers the same ground as 530. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial a 530 number?
Local calls need 1, then the area code, then the number: 1-530-555-0142.
Is 530 a toll-free number?
No. 530 is a regular area code for Chico and Redding in California, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 530?
The closest are 707/369 (Santa Rosa, California), 916/279 (Sacramento, California), 415/628 (San Francisco, California) and 925 (Walnut Creek, California), measured between the centres of each area.
Who called me from a 530 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 530 a scam?
530 is a real California area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.