667 Area Code – Location, Time Zone & Zip Codes

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📞 667 Area Code — Quick Reference
📍 LocationBaltimore, Maryland
🕐 Time ZoneEastern (UTC-5/UTC-4)
🗓️ StatusActive — Geographic

Numbers starting with 667 connect to Baltimore and nearby areas in Maryland. Whether you received an unexpected call from this number or you’re trying to figure out where a 667 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 667 Area Code Located?

The 667 area code is located in Maryland, primarily serving Baltimore 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 667 number with them after moving — so the code tells you where the number was issued, not necessarily where the person is right now.

667 Area Code — Location Details
State/ProvinceMaryland (MD)
Major CityBaltimore
CountryUnited States (+1)
Time ZoneEastern (UTC-5/UTC-4)
TypeGeographic — Standard
NANPA StatusActive

🕐 667 Area Code Time Zone

The 667 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 667
Eastern TimeSame time
Central Time-1 hour
Mountain Time-2 hours
Pacific Time-3 hours
💡 Calling Tip: Reach someone in the 667 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 667 Area Code Spam or Scam?

The 667 area code is completely legitimate, covering real residents and businesses in Baltimore. However, spam callers love spoofing well-known area codes like 667 because you’re more likely to pick up a local-looking number. If an unexpected 667 caller asks for personal info or payment, that’s your red flag.

⚠️ Red Flag: If a 667 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 667 Spam Calls & Texts

Block on iPhone

  1. Open Phone → tap Recents
  2. Tap ⓘ next to the 667 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 667 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 667? 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 667 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
301Silver Spring, MarylandEastern
240Germantown, MarylandEastern
443Baltimore, MarylandEastern
410Baltimore, MarylandEastern

❓ 667 Area Code — FAQ

What state is 667 area code in?
The 667 area code is in Maryland, serving Baltimore and surrounding areas.
What city does 667 cover?
667 primarily covers Baltimore and nearby communities in Maryland.
Is 667 toll-free?
No. 667 is a geographic area code. Toll-free codes are 800, 833, 844, 855, 866, 877, 888.
What time zone is 667?
Eastern (UTC-5/UTC-4).
Is 667 a scam?
667 is legitimate — it serves real people in Baltimore. But scammers may spoof 667 numbers. Verify suspicious callers independently.
Why do I keep getting 667 calls?
Repeated 667 calls without a known contact are likely robocalls. Use your phone’s Silence Unknown Callers feature.
Can I get a 667 number remotely?
Yes — VoIP services like Google Voice offer 667 numbers regardless of where you live.
Is 667 cell or landline?
667 covers both. US area codes don’t distinguish between mobile and landline.
How do I block 667 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/