Area code
Area code 928 — Yuma, AZ
Arizona · in service since June 23, 2001
Area code 928 covers parts of Arizona; the place with the most of its prefixes is Yuma. It was created from area code 520 on June 23, 2001 and no other code overlays it.
Local time in Yuma
Spam reports from Sep 23 – Oct 22, 2026
High #16 of 461 codes
1,239 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zonesMountain Standard Time (no daylight saving), Mountain Time
- Local calls10 digits
- Prefixes647 assigned
- Runs out~3Q 2034
- Unwanted call?Block & report
Spam call reports about 928 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 77 |
| Sep 14 | 304 |
| Sep 21 | 342 |
| Sep 28 | 297 |
| Oct 5 | 268 |
| Oct 12 | 277 |
| Oct 19 (4 days) | 202 |
Compared with all codes
- Robocalls
- 71%all codes 75%
- Callers with the same code
- 47%all codes 35%
- Rank by complaints
- #16of 461 · top tenth (most complaints)
- FCC complaints, Oct 2025 – Sep 2026
- 23646 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 398 23% | |
| Dropped call or no message | 203 11% | |
| Calls pretending to be government, businesses, or family and friends | 111 6% | |
| Medical & prescriptions | 84 5% | |
| Vacation & timeshares | 16 1% | |
| Warranties & protection plans | 13 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Arizona | 997 56% | |
| California | 133 8% | |
| Illinois | 72 4% | |
| Florida | 55 3% | |
| Georgia | 49 3% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 928 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| YUMA | Yuma | Yuma County | 65 |
| FLAGSTAFF | Flagstaff | Coconino County | 63 |
| PRESCOTT | Prescott | Yavapai County | 51 |
| SEDONA | Sedona | spans 2 counties | 41 |
| SAFFORD | Safford | Graham County | 34 |
| KINGMAN | Kingman | Mohave County | 25 |
| BULLHEADCY | Bullhead City | Mohave County | 19 |
| LKHAVASUCY | Lake Havasu City | Mohave County | 19 |
| PAYSON | Payson | Gila County | 16 |
| SOMERTON | Somerton | Yuma County | 16 |
Plus 84 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
Is 928 running out of numbers?
Previous forecast (October 2025): 2037, moved earlier by 3 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 928 prefixes
The five largest of 53 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Qwest Corporation | 95 15% | |
| Verizon Wireless | 91 14% | |
| Onvoy, LLC | 66 10% | |
| New Cingular Wireless PCS, LLC | 44 7% | |
| T-Mobile USA, Inc. | 40 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 928
What area code is 928?
An Arizona area code, in service since June 23, 2001.
Where is 928 area code, and what time zone is it in?
Yuma, AZ; Mountain Standard Time (no daylight saving) and Mountain Time.
Why am I getting spam calls from 928?
1,239 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 928 get a new area code?
NANPA forecasts exhaust in 3Q 2034; no relief planning listed.