Where is the 928 area code?

Area code 928 covers Arizona, on Mountain Standard Time (no daylight saving).

What time zone is area code 928 in?

Numbers in the 928 area code sit in Mountain Standard Time (no daylight saving) and Mountain Time.

Is 928 a toll-free or scam area code?

No. 928 is a geographic North American Numbering Plan area code assigned to Arizona. Toll-free numbers use 800, 833, 844, 855, 866, 877 and 888. A call from 928 can still be spoofed, so treat unexpected calls with the usual caution.

Area code lookup

928 area code

Where the 928 area code is, which cities and counties it serves, the local time zone and the overlay codes dialled alongside it.

State: AZ
Codes in state: 5
Overlays & neighbours: 4
Time zone: Mountain Standard Time, Mountain Time

Quick answer

Area code 928 is a geographic area code assigned to Arizona under the North American Numbering Plan. Arizona observes Mountain Standard Time (no daylight saving) and Mountain Time, and the state also holds 4 other area codes: 480, 520, 602, 623.

Largest cities in Arizona

The largest places in Arizona. Each links to its full local profile: population, income, housing and sales tax.

City	Population
Phoenix city	1,624,832
Tucson city	543,348
Mesa city	507,478
Chandler city	278,123
Gilbert town	271,118
Glendale city	250,193
Scottsdale city	242,169
Peoria city	194,338
Tempe city	186,419
Surprise city	149,519
San Tan Valley CDP	105,231
Goodyear city	102,891

All Arizona cities All Arizona ZIP codes Arizona sales tax

Related area codes

Codes that share or border the same calling area.

928 area code FAQ

The questions people ask about this code.

Where is area code 928?

928 is a geographic area code in Arizona.

What time is it in the 928 area code?

928 observes Mountain Standard Time (no daylight saving) and Mountain Time.

Is 928 a scam area code?

No — it is a normal geographic code, not a toll-free or premium-rate prefix. Caller ID can be spoofed on any code, so verify unexpected callers before sharing information.

Sources & transparency

North American Numbering Plan Administrator (NANPA) area code assignments — area code to geography mapping and overlay relationships
US Census Bureau, American Community Survey 2019-2023 5-year estimates — city, county and ZIP code geography

Last reviewed August 2026. Figures are published for reference and can change; verify with the source agency before filing or contracting. How we build and check this data.