928 Area Code – Location, Time Zone & Zip Codes

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📞 928 Area Code — Quick Reference
📍 LocationYuma, Arizona
🕐 Time ZoneMountain (UTC-7)
🗓️ StatusActive — Geographic

The 928 prefix covers Yuma and its surrounding communities in Arizona. Whether you received an unexpected call from this number or you’re trying to figure out where a 928 number is based, this guide covers the exact location, time zone, spam reputation, blocking instructions, and which cities fall under this code.

📍 Where Is the 928 Area Code Located?

The 928 area code is located in Arizona, primarily serving Yuma and the surrounding region. It’s a standard geographic area code under the North American Numbering Plan (NANP). Keep in mind that mobile number portability means someone could carry a 928 number with them after moving — so the code tells you where the number was issued, not necessarily where the person is right now.

928 Area Code — Location Details
State/ProvinceArizona (AZ)
Major CityYuma
CountryUnited States (+1)
Time ZoneMountain (UTC-7)
TypeGeographic — Standard
NANPA StatusActive

🕐 928 Area Code Time Zone

The 928 area code operates in the Mountain Time Zone (UTC-7). Here’s how it compares to other US time zones:

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 Business hours (good to call)     Early / late hours     Night — do not call
Official Resources: Report Fraud — FTC Do Not Call Registry NANPA Directory
Time ZoneDifference from 928
Eastern Time+2 hours
Central Time+1 hour
Mountain TimeSame time
Pacific Time-1 hour
💡 Calling Tip: Reach someone in the 928 area between 10 AM – 4 PM their local time for the best chance of an answer. Calls outside those hours are more likely to be screened or ignored.

🛡️ Is 928 Area Code Spam or Scam?

Seeing 928 on your caller ID doesn’t automatically mean spam — it’s a real area code used by many in Yuma. But robocallers frequently disguise their actual numbers behind familiar area codes like 928. If a 928 call feels off, hang up and verify independently.

⚠️ Red Flag: If a 928 caller demands immediate payment via gift cards, wire transfer, or crypto — hang up. No legitimate organization uses these methods. Verify by calling the company’s official number directly.

How to verify: Don’t call back the number — look up the official number for whatever organization the caller claimed to represent and call that instead. Google the full 10-digit number in quotes to check if others have reported it as spam.

📵 How to Block 928 Spam Calls & Texts

Block on iPhone

  1. Open Phone → tap Recents
  2. Tap ⓘ next to the 928 spam number
  3. Scroll down → “Block this Caller”
  4. Silence all unknowns: Settings → Phone → Silence Unknown Callers → ON

Block on Android

  1. Open Phone → find the 928 number
  2. Tap ⋮ menu → “Block number”
  3. For broader blocking: Settings → Blocked numbers → Unknown toggle ON

Report Spam

  1. Forward spam texts to 7726 (SPAM)
  2. Report at reportfraud.ftc.gov
  3. Register at donotcall.gov or call 1-888-382-1222

🔍 Who Called from 928? Reverse Lookup

  1. Google the full 10-digit number in quotes — catches ~70% of unknown callers
  2. Check Whitepages.com or Truecaller.com
  3. Search 800notes.com for community reports
  4. No voicemail left? Almost certainly spam — legitimate callers leave messages
⚠️ One-Ring Scam: If a 928 number rings once and hangs up, do NOT call back. This scam connects you to a premium-rate line that charges your bill.

🔗 Nearby Area Codes

CodeLocationTime Zone
480Scottsdale, ArizonaMountain
602Phoenix, ArizonaMountain
520Tucson, ArizonaMountain
623Glendale, ArizonaMountain

❓ 928 Area Code — FAQ

What state is 928 area code in?
The 928 area code is in Arizona, serving Yuma and surrounding areas.
What city does 928 cover?
928 primarily covers Yuma and nearby communities in Arizona.
Is 928 toll-free?
No. 928 is a geographic area code. Toll-free codes are 800, 833, 844, 855, 866, 877, 888.
What time zone is 928?
Mountain (UTC-7).
Is 928 a scam?
928 is legitimate — it serves real people in Yuma. But scammers may spoof 928 numbers. Verify suspicious callers independently.
Why do I keep getting 928 calls?
Repeated 928 calls without a known contact are likely robocalls. Use your phone’s Silence Unknown Callers feature.
Can I get a 928 number remotely?
Yes — VoIP services like Google Voice offer 928 numbers regardless of where you live.
Is 928 cell or landline?
928 covers both. US area codes don’t distinguish between mobile and landline.
How do I block 928 calls?
iPhone: Settings → Phone → Silence Unknown Callers. Android: Phone → Settings → Blocked numbers. For area-code blocking, use Truecaller or RoboKiller.

🔗 Related Area Code Guides

Updated April 2026 · Data from NANPA & FCC · areacodess.org/