Area codes / California / 559
The 559 area code
559 is an area code in California, in the Pacific time zone. Get a local 559 number for your business, shared by everyone who answers it, or bring the 559 number you already have.
559 at a glance
- State
- California
- Time zone
- Pacific
- In service since
- 1998
- Overlay
- Shares its area with 357
- Local calls
- Seven-digit dialing within the area code
Get a 559 business number
When you sign up for Onyx Phone, you pick a local number by area code: search 559, narrow it by the next three digits or the last four if you want something memorable, and it's yours on the spot. Which numbers are free changes daily. If you don't find one you like, 357 covers the same area.
The number rings everyone you assign to it, in the browser, on the iPhone and Android apps, and on desk phones, and texts from it are unlimited once US carriers approve your business. Your plan includes one number for each user, and more numbers are $5 a month.
Calling 559 customers
Local calls within 559 can be dialed with seven digits. Callers are on Pacific time, so set your business hours to match if most of your customers are here.
Calls from Onyx Phone show your business number, and once your business is verified, your caller ID name too, so 559 customers see who's calling.
Questions about area code 559
What state is area code 559?
Area code 559 is in California.
What time zone is area code 559 in?
Area code 559 is in the Pacific time zone.
Is 559 an overlay area code?
Yes. 559 shares its area with 357. Numbers in either code ring the same region, and local calls there are dialed with all ten digits.
Can I get a 559 business number?
Onyx Phone sells US local numbers. When you pick your number, search the 559 area code; which numbers are free changes daily. If none are free, 357 covers the same area.
Can I keep the 559 number I already have?
Yes. Moving a number to Onyx Phone is free on every plan and usually takes 3 to 7 business days. You answer on a temporary number until it moves.
Included on every plan
Starter is $17, Business is $29, Scale is $42 per user a month, or less billed yearly. The plan includes a business number for each user and unlimited calling and texting in the US and Canada. Every plan starts with a 7-day free trial, and moving your current number over is free.
Area code data from the North American Numbering Plan Administrator (NANPA), file of October 24, 2026.