530 Area Code — California
530 is a North American Numbering Plan area code for California, the United States. It covers about 1,287,188 people in 229 towns and 260 ZIP codes, including Chico, Redding and Yuba City.
| Field | Value |
|---|---|
| Area code | 530 |
| Country | United States (+1) |
| State / province | California |
| Type | Standalone (no other NANP code covers the same towns) |
| Time zone | Pacific |
| Population covered | 1,287,188 |
| Towns covered | 229 |
| ZIP codes | 260 |
| Approx. centre | 39.917, -121.493 |
Where area code 530 is used
Area code 530 is assigned to California, the United States, inside the North American Numbering Plan. Numbers in the code are written (530) NXX-XXXX at home and +1 530 NXX-XXXX when dialled from outside Canada and the United States. Since the NANP moved to 10-digit dialling you must always include the area code, even for a local call.
Towns and cities in area code 530
The 229 towns below are the largest in the 530 footprint, ranked by population. Every one of them links to its own page with the full list of area codes and ZIP codes for that town.
| Town | County | Population | ZIP codes |
|---|---|---|---|
| Chico | Butte County | 117,007 | 6 |
| Redding | Shasta County | 112,523 | 5 |
| Yuba City | Sutter County | 81,625 | 3 |
| Davis | Yolo County | 79,897 | 3 |
| Woodland | Yolo County | 66,420 | 2 |
| Oroville | Butte County | 49,684 | 2 |
| Auburn | Placer County | 48,160 | 3 |
| Grass Valley | Nevada County | 48,022 | 2 |
| Marysville | Yuba County | 37,732 | 1 |
| Placerville | El Dorado County | 36,830 | 1 |
| Olivehurst | Yuba County | 33,999 | 1 |
| Red Bluff | Tehama County | 31,554 | 1 |
Counties covered
| County | ZIP codes |
|---|---|
| Shasta County | 30 |
| El Dorado County | 24 |
| Butte County | 24 |
| Siskiyou County | 21 |
| Placer County | 20 |
| Yolo County | 16 |
| Plumas County | 16 |
| Lassen County | 16 |
| Tehama County | 14 |
| Nevada County | 13 |
| Yuba County | 12 |
| Trinity County | 10 |
Nearby area codes
How to dial area code 530
- Within North America: 530 + 7-digit number (530-NXX-XXXX). The leading 1 is optional on a mobile phone and required on most landlines for long-distance.
- From abroad: your country's international prefix, then 1, then 530, then the 7-digit number — for example 00 1 530 NXX-XXXX from most of Europe.
Frequently asked questions
What area code is 530?
530 is a North American Numbering Plan area code assigned to California, the United States. It covers about 1,287,188 people in 229 towns.
Is 530 a US or Canadian area code?
530 is a United States area code. Canada and the United States share the +1 country code, so both are part of the same numbering plan.
What time zone is area code 530 in?
Area code 530 is in the Pacific time zone.
Do I have to dial 10 digits?
Yes. Every NANP call now requires the area code plus the seven-digit number, even for a local call.