339 Area Code – Location Map, Time Zone & Lookup

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📞 339 Area Code — Quick Reference
📍 LocationWorcester, Massachusetts
🕐 Time ZoneEastern (UTC-5/UTC-4)
🗓️ StatusActive — Geographic

When you see 339 on your phone, you’re looking at a call from Worcester, Massachusetts. Whether you received an unexpected call from this number or you’re trying to figure out where a 339 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 339 Area Code Located?

The 339 area code is located in Massachusetts, primarily serving Worcester 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 339 number with them after moving — so the code tells you where the number was issued, not necessarily where the person is right now.

339 Area Code — Location Details
State/ProvinceMassachusetts (MA)
Major CityWorcester
CountryUnited States (+1)
Time ZoneEastern (UTC-5/UTC-4)
TypeGeographic — Standard
NANPA StatusActive

🕐 339 Area Code Time Zone

The 339 area code operates in the Eastern Time Zone (UTC-5/UTC-4). Here’s how it compares to other US time zones:

Time ZoneDifference from 339
Eastern TimeSame time
Central Time-1 hour
Mountain Time-2 hours
Pacific Time-3 hours
💡 Calling Tip: Reach someone in the 339 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 339 Area Code Spam or Scam?

Area code 339 is 100% legitimate — it serves Worcester, Massachusetts. The problem is that scammers spoof 339 numbers constantly because people trust local-looking calls. The most common 339 scams involve fake utility shutoff threats, vehicle warranty extensions, and Social Security impersonation.

⚠️ Red Flag: If a 339 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 339 Spam Calls & Texts

Block on iPhone

  1. Open Phone → tap Recents
  2. Tap ⓘ next to the 339 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 339 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 339? 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 339 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
617Boston, MassachusettsEastern
978Lowell, MassachusettsEastern
508Worcester, MassachusettsEastern
857Boston, MassachusettsEastern
781Lynn, MassachusettsEastern

❓ 339 Area Code — FAQ

What state is 339 area code in?
The 339 area code is in Massachusetts, serving Worcester and surrounding areas.
What city does 339 cover?
339 primarily covers Worcester and nearby communities in Massachusetts.
Is 339 toll-free?
No. 339 is a geographic area code. Toll-free codes are 800, 833, 844, 855, 866, 877, 888.
What time zone is 339?
Eastern (UTC-5/UTC-4).
Is 339 a scam?
339 is legitimate — it serves real people in Worcester. But scammers may spoof 339 numbers. Verify suspicious callers independently.
Why do I keep getting 339 calls?
Repeated 339 calls without a known contact are likely robocalls. Use your phone’s Silence Unknown Callers feature.
Can I get a 339 number remotely?
Yes — VoIP services like Google Voice offer 339 numbers regardless of where you live.
Is 339 cell or landline?
339 covers both. US area codes don’t distinguish between mobile and landline.
How do I block 339 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/