Area Code 928

Arizona

Area code 928 serves Arizona, primarily Peoria, in the Mountain Time (MT) time zone. It was created from a split of area code 520.

Published:

Split Area Code

This area code was created by splitting an existing area code into separate geographic regions. When a split occurs, some customers in the original area code region are assigned the new area code.

This area code was split from area code 520 (Tucson).

In service since: 23-Jun-2001

Learn more about overlay and split area codes →

Demographics

The estimated population served by area code 928 is approximately 1,309,786. The population density is 13 people per square mile, which is lower than the national average of 94. The median household income is $60,417, which is lower than the national median of $78,538. Approximately 22.8% of adults hold a bachelor's degree or higher, compared to the national rate of 35.0%. This rate is lower than the national average. The poverty rate stands at 17.8%, which is higher than the national rate of 12.4%.

History

Area code 928 was created from a split of area code 520. It was introduced in 2001 as part of a geographic division to provide additional numbering resources.

Geographic Coverage

Area code 928 serves Arizona, primarily the Peoria area, in the Mountain Time (MT). It covers 301 communities. The geographic center of this area code is approximately 34.63°N, 111.69°W.

Demographics & Economics

Total Population
1,309,786
Population Density
13 people/sq mi
below U.S. average (U.S.: 94 people/sq mi)
Median Household Income
$60,417
below U.S. median (U.S.: $78,538)
Poverty Rate
17.8%
above U.S. average (U.S.: 12.4%)
Unemployment Rate
6.9%
above U.S. average (U.S.: 5.2%)
Education Attainment
Bachelor's Degree+
22.8%
below U.S. average (U.S.: 35.0%)
High School or Lower
33.0%

Statistics are population-weighted aggregations from Census ACS 5-year estimates.See Sources for details.

Geographic Coverage

State

AZ

Major Cities

  • Peoria
  • Goodyear
  • Buckeye
  • Yuma
  • Flagstaff
  • Lake Havasu City
  • Prescott Valley
  • Prescott
  • Bullhead City
  • San Luis
  • Kingman
  • Fortuna Foothills
  • Payson
  • Fort Mohave
  • Somerton
  • New Kingman-Butler
  • Chino Valley
  • Cottonwood
  • Camp Verde
  • Show Low
  • Safford
  • Sedona
  • Winslow
  • Golden Valley

and 277 more cities

Time Zone

  • Mountain Time (MT)

Current Time

Mountain Time (MT)
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Area Code 928 geographic coverage map (light mode)

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 928).

CountyPopulationShare
Yavapai, AZ257,07219.6%
Mohave, AZ218,56816.7%
Yuma, AZ207,69015.9%
Coconino, AZ173,93913.3%
Navajo, AZ132,02310.1%
Apache, AZ94,6837.2%
Gila, AZ62,7064.8%
Graham, AZ49,0353.7%
Maricopa, AZ42,3803.2%
Pinal, AZ22,5881.7%
La Paz, AZ16,6051.3%
Greenlee, AZ9,4540.7%
Cochise, AZ8,5240.7%
McKinley, NM5,9050.5%
San Juan, UT5,8520.4%
San Juan, NM2,7620.2%

Call Context

High-volume metropolitan area

This area code covers multiple cities and communities across a broad region in Arizona. It was created as a geographic split from area code 520, dividing the original territory into separate numbering regions.

Nearby Area Codes

Area codes geographically closest to 928.

Other Area Codes in Arizona

Area codes that also serve Arizona, linked for easy comparison.

Frequently Asked Questions

Common questions about area code 928 and how phone numbering works.

Phone numbers are assigned based on where the number was originally provisioned, not the caller's current location. Mobile phones retain their number when users move, and businesses may use numbers from regions where they don't have a physical presence. VoIP services can also provision numbers from virtually any area code.

Yes, mobile phones can have numbers from any area code in the region they were activated. Wireless carriers assign numbers from available pools regardless of phone type. When users change carriers or move to new areas, they typically keep their original number, which may have a different area code than their current location.

Start by looking up the area code on this site to understand its general geographic region. For the specific number, options include using your carrier's caller ID features or checking public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register your number with the National Do Not Call Registry to reduce unwanted calls. Keep in mind that caller ID can display any name the caller chooses to set.

Area codes are sometimes "split" when an existing code runs out of available number combinations. In a split, the original territory is divided geographically, with each portion receiving its own area code. This area code was split from area code 520. See our guide on splits and overlays for details.

While San Jose is a prominent city in this area code's coverage, the code serves the broader surrounding region as well. Area codes are assigned geographically and typically cover multiple cities, towns, and communities beyond any single anchor city.

The estimated total population served by area code 928 is based on aggregated U.S. Census Bureau data for the counties within this area code. The population varies significantly between dense urban codes serving millions and rural codes covering smaller populations. You can find the specific population figure in the demographics section above.