Area codes / New York / 646
The 646 area code
646 is an area code in New York, in the Eastern time zone. Get a local 646 number for your business, shared by everyone who answers it, or bring the 646 number you already have.
646 at a glance
- State
- New York
- Time zone
- Eastern
- In service since
- 1999
- Local calls
- Seven-digit dialing within the area code
Get a 646 business number
When you sign up for Onyx Phone, you pick a local number by area code: search 646, 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, 212, 332, and 917 cover 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 646 customers
Local calls within 646 can be dialed with seven digits. Callers are on Eastern 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 646 customers see who's calling.
Questions about area code 646
What state is area code 646?
Area code 646 is in New York.
What time zone is area code 646 in?
Area code 646 is in the Eastern time zone.
Is 646 an overlay area code?
Yes. 646 shares its area with 212, 332, and 917. Numbers in any of these codes ring the same region, and local calls there are dialed with all ten digits.
Can I get a 646 business number?
Onyx Phone sells US local numbers. When you pick your number, search the 646 area code; which numbers are free changes daily. If none are free, 212, 332, and 917 cover the same area.
Can I keep the 646 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.