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.
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
Demographics & Economics
- Total Population
- 1,309,786
- Population Density
- 13 people/sq mibelow U.S. average (U.S.: 93 people/sq mi)
- Median Household Income
- $60,417below U.S. median (U.S.: $75,144)
- Poverty Rate
- 17.8%above U.S. average (U.S.: 11.5%)
- Unemployment Rate
- 6.9%above U.S. average (U.S.: 3.6%)
- Education Attainment
- Bachelor's Degree+22.8%below U.S. average (U.S.: 33.7%)High School or Lower33.0%
Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.
See how this area code compares to all US area codes in the income ranking and density ranking.
Time Zone
- Mountain Time (MT)
NANPA Relief Status
According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.
Source: NANPA NPA Relief Planning Reports · See all relief planning statuses
Current Time
Prefix Utilization
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
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 93. The median household income is $60,417, which is lower than the national median of $75,144. Approximately 22.8% of adults hold a bachelor's degree or higher, compared to the national rate of 33.7%. This rate is lower than the national average. The poverty rate stands at 17.8%, which is higher than the national rate of 11.5%.
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.
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 928).
| County | Population | Share |
|---|---|---|
| Yavapai, AZ | 257,072 | 19.6% |
| Mohave, AZ | 218,568 | 16.7% |
| Yuma, AZ | 207,690 | 15.9% |
| Coconino, AZ | 173,939 | 13.3% |
| Navajo, AZ | 132,023 | 10.1% |
| Apache, AZ | 94,683 | 7.2% |
| Gila, AZ | 62,706 | 4.8% |
| Graham, AZ | 49,035 | 3.7% |
| Maricopa, AZ | 42,380 | 3.2% |
| Pinal, AZ | 22,588 | 1.7% |
| La Paz, AZ | 16,605 | 1.3% |
| Greenlee, AZ | 9,454 | 0.7% |
| Cochise, AZ | 8,524 | 0.7% |
| McKinley, NM | 5,905 | 0.5% |
| San Juan, UT | 5,852 | 0.4% |
| San Juan, NM | 2,762 | 0.2% |
Area Code 928 Family Tree
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Area code 928 was originally assigned in 23-Jun-2001 to serve AZ.
Call Context
This area code spans a mix of urban centers and rural communities across AZ, with Peoria as a primary city.
Nearby Area Codes
Area codes geographically closest to 928.
Other Area Codes in Arizona
Area codes that also serve Arizona, linked for easy comparison.