Where Is 770 Area Code? GA Map & Time Zone

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📞 770 Area Code — Quick Reference
📍 LocationMarietta, Georgia
🕐 Time ZoneEastern (UTC-5/UTC-4)
🗓️ StatusActive — Geographic

The 770 area code covers Marietta, Georgia. Whether you received an unexpected call from this number or you’re trying to figure out where a 770 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 770 Area Code Located?

The 770 area code is located in Georgia, primarily serving Marietta 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 770 number with them after moving — so the code tells you where the number was issued, not necessarily where the person is right now.

770 Area Code — Location Details
State/ProvinceGeorgia (GA)
Major CityMarietta
CountryUnited States (+1)
Time ZoneEastern (UTC-5/UTC-4)
TypeGeographic — Standard
NANPA StatusActive

🕐 770 Area Code Time Zone

The 770 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 770
Eastern TimeSame time
Central Time-1 hour
Mountain Time-2 hours
Pacific Time-3 hours
💡 Calling Tip: Reach someone in the 770 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 770 Area Code Spam or Scam?

Like most US area codes, 770 is used by both legitimate callers and scammers. The code itself is perfectly real — millions of people and businesses in Marietta use it daily. But scammers frequently spoof 770 numbers because local-looking calls get answered more often than unfamiliar ones.

⚠️ Red Flag: If a 770 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 770 Spam Calls & Texts

Block on iPhone

  1. Open Phone → tap Recents
  2. Tap ⓘ next to the 770 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 770 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 770? 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 770 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
404Atlanta, GeorgiaEastern
678Atlanta, GeorgiaEastern
470Atlanta, GeorgiaEastern
706Augusta, GeorgiaEastern
912Savannah, GeorgiaEastern

❓ 770 Area Code — FAQ

What state is 770 area code in?
The 770 area code is in Georgia, serving Marietta and surrounding areas.
What city does 770 cover?
770 primarily covers Marietta and nearby communities in Georgia.
Is 770 toll-free?
No. 770 is a geographic area code. Toll-free codes are 800, 833, 844, 855, 866, 877, 888.
What time zone is 770?
Eastern (UTC-5/UTC-4).
Is 770 a scam?
770 is legitimate — it serves real people in Marietta. But scammers may spoof 770 numbers. Verify suspicious callers independently.
Why do I keep getting 770 calls?
Repeated 770 calls without a known contact are likely robocalls. Use your phone’s Silence Unknown Callers feature.
Can I get a 770 number remotely?
Yes — VoIP services like Google Voice offer 770 numbers regardless of where you live.
Is 770 cell or landline?
770 covers both. US area codes don’t distinguish between mobile and landline.
How do I block 770 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/