928 area code
Yuma area, Arizona and Mountain Time.Area code 928 covers Yuma, Flagstaff, Prescott and 90 more places in Arizona, on Arizona and Mountain Time.
Right now in Arizona
Arizona Time (MST, UTC-7, all year) · Mountain Time (MST, UTC-7; MDT, UTC-6 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
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Where 928 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 928 has 93. Each one's share is how many 928 numbers start there. Its biggest metro area is Phoenix-Mesa-Chandler, AZ.
- Yuma10%
- Flagstaff10%
- Prescott8%
- Sedona6%
- Safford5%
- Kingman4%
- Bullhead City4%
- Lake Havasu City3%
- Payson3%
- Somerton3%
- Globe2%
Also: Page, Show Low, Winslow, Wickenburg, Pima, Grand Canyon, Pinetop, Chinle, Gila Bend, Mohave Valley, Tuba City, Window Rock + 70 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 928 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 928 number to them, since you can't tell a work line from a personal cell.
What applies to 928Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
The 928 area code
928 went into service on June 23, 2001, split off from 520. Local calls take all 10 digits.
- 2001928 starts
Source: NANPA area code database
Other Arizona area codes
All Arizona area codesCalling a list of 928 numbers?
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928 area code FAQ
What area code is 928?
928 is an Arizona area code for Yuma, Flagstaff, Prescott, Sedona and 89 more places.
What time zone is the 928 area code in?
It spans two: Arizona Time (MST, UTC-7, all year) and Mountain Time (MST, UTC-7; MDT, UTC-6 in summer). A 928 number can be on either clock.
What are the calling hours for 928 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 928 area code start?
On June 23, 2001. It was split from 520.
Calling 928 numbers? Reach more of them.
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