Phoenix skyline, home of the 623 area code

623 area code: location, overlays and numbers

US telephone area code 623 covers Phoenix, Arizona and has run there since 1999, with an overlay shared by 602 and 480.

Location
Phoenix, Arizona
Service since
1999
Local time zone
Mountain time
Overlay
480 and 602
Local calling
Full 10-digit dialling
Rate centre list
1
Projected exhaustion
2056
Country calling prefix
+1 (United States)

These figures come from NANPA public reports: the area code report and the rate-centre report, with a file date of 11/01/2026. The exhaust year is based on the file NANPA projections 2026-1 (April 2026). We are not an official NANPA site.

Getting a 623 number

A 623 number comes by one of two routes. A provider assigns a new number with its plan, chosen at sign-up from the pool of numbers it holds in that code. Sellers post numbers they already hold, often ones with a pattern, at a one-time price; you then move it to a provider.

Providers ranked by first-year cost

ProviderCheapest planFirst yearLink
Google Voice logoFree appBasic (Just for me), free$0Open Google Voice
TextNow logoFree appFree plan, free$0Open TextNow
Twilio logoDeveloper APIPay-as-you-go local number, $1.15 a month$13.80Open Twilio
Burner logoSecond-number appStandard, $3.99 a month billed yearly$47.99Open Burner
UniTel Voice logoToll-free specialistSolo, $6.99 a month billed yearly$84Open UniTel Voice
GoDaddy Conversations (formerly Smartline) logoSecond-number appDeluxe (local number), $6.99 a month billed yearly$102.88Open GoDaddy Conversations (formerly Smartline)

Sellers that list local numbers

SellerWhat it sellsListed priceMonthly feeLink
Exclusive Digits logoMarketplaceLocal numbersFrom $9 one-timeNone statedSearch at Exclusive Digits
NumberBarn logoMarketplaceLocal and toll-freeFrom $9.95 one-time$2.99 a monthSearch at NumberBarn
RingBoost logoNumber brokerLocal and toll-freeFrom $99 one-timeNone statedSearch at RingBoost
PhoneNumberExpert logoNumber brokerLocal and toll-freeFrom $100 one-timeNone statedSearch at PhoneNumberExpert
212areacode.comNumber brokerLocal numbersFrom $150 one-timeNone statedSearch at 212areacode.com

Some sellers and providers may pay us a referral fee. The order here is by first-year cost, and a referral fee never changes it. How we earn

Compare all the ways to get a 623 number

Other related area codes

One area, one pool of numbers: 602 and 480. Any of these codes can supply a new number in this area, so ask for the one you want.

Arizona has other area codes too: 520 and 928.

City guides for Phoenix area codes.

623 area code questions

Where is the 623 area code located?

623 rings around Phoenix-Mesa-Chandler, AZ, in Phoenix, Arizona.

Which country code does a 623 number use?

+1. The North American Numbering Plan covers 623, so callers abroad dial +1 623 and then the 7-digit number.

What time is it in the 623 area code?

623 stays on Mountain time.

Who places calls from a 623 number?

Homes, mobiles and local businesses all hold numbers in this code, and so do callers who fake a local one. The 623 number on your screen points to where the number was assigned rather than who is calling.

Is 623 toll-free?

No. It is a local area code, and calling 623 costs what any other US call costs. Toll-free numbers in the US start with 800, 888, 877, 866, 855 and 844, along with 833.