Area Code 431 – United States Location, Map & Cities

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📞 431 Area Code — Quick Reference
📍 LocationWinnipeg, Manitoba
🕐 Time ZoneCentral (UTC-6/UTC-5)
🗓️ StatusActive — Geographic

Area code 431 serves Winnipeg and surrounding communities in Manitoba. Whether you received an unexpected call from this number or you’re trying to figure out where a 431 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 431 Area Code Located?

The 431 area code is located in Manitoba, primarily serving Winnipeg 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 431 number with them after moving — so the code tells you where the number was issued, not necessarily where the person is right now.

431 Area Code — Location Details
State/ProvinceManitoba (MB)
Major CityWinnipeg
CountryCanada (+1)
Time ZoneCentral (UTC-6/UTC-5)
TypeGeographic — Standard
NANPA StatusActive

🕐 431 Area Code Time Zone

The 431 area code operates in the Central Time Zone (UTC-6/UTC-5). 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 431
Eastern Time+1 hour
Central TimeSame time
Mountain Time-1 hour
Pacific Time-2 hours
💡 Calling Tip: Reach someone in the 431 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 431 Area Code Spam or Scam?

Is a 431 call spam? Not necessarily — 431 is a legitimate area code serving Winnipeg and surrounding areas. That said, scammers routinely spoof 431 numbers to make their calls look local. The general rule: if you don’t recognize the number and they don’t leave a voicemail, it’s probably junk.

⚠️ Red Flag: If a 431 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 431 Spam Calls & Texts

Block on iPhone

  1. Open Phone → tap Recents
  2. Tap ⓘ next to the 431 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 431 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 431? 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 431 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
204Winnipeg, ManitobaCentral
584Winnipeg, ManitobaCentral

❓ 431 Area Code — FAQ

What state is 431 area code in?
The 431 area code is in Manitoba, serving Winnipeg and surrounding areas.
What city does 431 cover?
431 primarily covers Winnipeg and nearby communities in Manitoba.
Is 431 toll-free?
No. 431 is a geographic area code. Toll-free codes are 800, 833, 844, 855, 866, 877, 888.
What time zone is 431?
Central (UTC-6/UTC-5).
Is 431 a scam?
431 is legitimate — it serves real people in Winnipeg. But scammers may spoof 431 numbers. Verify suspicious callers independently.
Why do I keep getting 431 calls?
Repeated 431 calls without a known contact are likely robocalls. Use your phone’s Silence Unknown Callers feature.
Can I get a 431 number remotely?
Yes — VoIP services like Google Voice offer 431 numbers regardless of where you live.
Is 431 cell or landline?
431 covers both. US area codes don’t distinguish between mobile and landline.
How do I block 431 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/