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Area Code 770 Location & Details

State / Region: Georgia • Country: United States

Major Cities Covered: Atlanta, Sandy Springs, Roswell, Johns Creek, Mableton, Alpharetta, Marietta, Stonecrest, Brookhaven, Smyrna

Standard Dial Format
+1 (770) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 770?
GeorgiaState Hub →
Country Territory
United States
770 Area Code Time Zone
Eastern
770 Overlay Codes
470, 678, 943

Area Code 770 Geographic Map

Interactive location bounds and coverage area for Georgia (Eastern Timezone)

Lat: 33.87° • Lng: -84.31°
📍 Geographic Center: GeorgiaMap data © OpenStreetMap contributors

Where is Area Code 770 Located?

Telephone area code 770 is assigned to Georgia in United States. It serves cities and metropolitan communities including Atlanta, Sandy Springs, Roswell, Johns Creek, Mableton, Alpharetta, Marietta, Stonecrest, Brookhaven, Smyrna.

Historical Context & Area Code Overlay Information:770 serves Georgia (United States).

For local and long-distance calls within area code 770, standard 10-digit dialing (770) XXX-XXXX applies.

Who Called Me from Area Code 770?

Received an unknown call, missed call, or text scam from area code 770? Here is how to trace who is calling from 770 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 770 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 770:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 770 & Dialing Format

When placing a phone call to a number in area code 770, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (770) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 770 + 7-digit number.
  • Do I need to dial area code 770 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 770

Urban centers, census places, and communities within the +1-770 calling area

50 Major Cities Listed
City NameCountyPopulation% of 770 Pop
AtlantaFulton County529,11023.0%
Sandy SpringsFulton County105,0134.6%
RoswellCherokee County91,5054.0%
Johns CreekGwinnett County80,4013.5%
MabletonFulton County78,8203.4%
AlpharettaForsyth County66,9212.9%
MariettaCobb County63,5742.8%
StonecrestDeKalb County61,3372.7%
BrookhavenDeKalb County59,6432.6%
SmyrnaFulton County57,5132.5%
DunwoodyDeKalb County51,7922.3%
GainesvilleHall County49,2212.1%
NewnanCoweta County45,8672.0%
Peachtree CornersDeKalb County42,5191.9%
MiltonCherokee County41,2661.8%
Peachtree CityFayette County40,8801.8%
CantonCherokee County40,7781.8%
WoodstockCherokee County39,8951.7%
East PointFulton County38,2251.7%
KennesawCobb County37,9701.7%

Counties Covered by Area Code 770

Geographic county distribution and population coverage across Georgia

County NameTotal Population% of 770 Area% of County
Fulton County1,090,46835.2%74%
DeKalb County772,58415.7%47%
Gwinnett County1,009,86411.2%25%
Cherokee County294,03010.2%79%
Cobb County788,8796.3%18%
Forsyth County278,7972.9%24%
Hall County223,5452.7%28%
Fayette County124,7512.7%49%
Henry County259,9722.1%18%
Coweta County158,1782.0%29%
Walton County110,2781.5%31%
Carroll County129,4931.2%22%
Bartow County117,9241.1%21%
Spalding County70,3111.0%34%
Barrow County96,9690.9%22%
Douglas County152,0600.9%14%
Rockdale County97,4020.9%21%
Newton County123,6780.8%14%
Paulding County187,9330.7%8%

☎️Area Code 770 Exchange Prefixes & Carriers

Showing 50 of 800 central office 3-digit prefixes and assigned telecom carriers

82% Landline14% Wireless4% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(770) 200-📞LandlineATLANTA NWLEVEL 3 TELECOM OF GEORGIA, LP - GAN/A
(770) 201-📞LandlineATLANTA NESPOK, INC.N/A
(770) 202-💻VoIPATLANTA SOONVOY, LLC - GA07/15/2022
(770) 203-💻VoIPCUMMINGBANDWIDTH.COM CLEC, LLC - GA04/11/2013
(770) 204-📞LandlineXXXXXXXXXXBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 205-📞LandlineCUMMINGBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 206-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 207-📞LandlineMONROEWINDSTREAM GEORGIA COMMUNICATIONS CORP.N/A
(770) 208-📞LandlineATLANTA NESPOK, INC.N/A
(770) 209-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 210-📞LandlineATLANTA SOBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(770) 212-📱WirelessATLANTA NECELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA10/09/2012
(770) 213-📞LandlineCANTONETC COMMUNICATIONS, L.L.C. - GA07/18/2007
(770) 214-📞LandlineCARROLLTONBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 215-💻VoIPGAINESVLONVOY, LLC - GA05/10/2022
(770) 216-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 217-📞LandlineATLANTA NEMCIMETRO ACCESS TRANSMISSION SERVICES LLC - GAN/A
(770) 218-📞LandlineATLANTA NWBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 219-📞LandlineGAINESVLBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL11/19/2008
(770) 220-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 221-📞LandlineATLANTA NWBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 222-📞LandlineATLANTA NWBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 223-📞LandlineATLANTA NEAMERICAN MESSAGING SERVICES, LLCN/A
(770) 224-📞LandlineCANTONWINDSTREAM GEORGIA COMMUNICATIONS CORP.03/05/2012
(770) 225-📞LandlineATLANTA NEMCIMETRO ACCESS TRANSMISSION SERVICES LLC - GAN/A
(770) 226-📞LandlineATLANTA NWBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 227-📞LandlineGRIFFINBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 228-📞LandlineGRIFFINBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 229-📞LandlineGRIFFINBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 230-💻VoIPTALLAPOOSAONVOY, LLC - GAN/A
(770) 231-📞LandlineATLANTA NEPOWERTEL ATLANTA LICENSES, INC.N/A
(770) 232-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 233-📞LandlineGRIFFINBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 234-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 235-📱WirelessATLANTA NENEW CINGULAR WIRELESS PCS, LLC - GAN/A
(770) 236-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 237-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 238-📞LandlineATLANTA NEMCIMETRO ACCESS TRANSMISSION SERVICES LLCN/A
(770) 239-📞LandlineATLANTA NEMCIMETRO ACCESS TRANSMISSION SERVICES LLCN/A
(770) 240-📞LandlineATLANTA NWMCIMETRO ACCESS TRANSMISSION SERVICES LLC - GAN/A
(770) 241-📱WirelessATLANTA NENEW CINGULAR WIRELESS PCS, LLC - GAN/A
(770) 242-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 243-📞LandlineATLANTA NEMCIMETRO ACCESS TRANSMISSION SERVICES LLCN/A
(770) 244-📞LandlineATLANTA NEAMERICAN MESSAGING SERVICES, LLCN/A
(770) 245-📞LandlineATLANTA NESPOK, INC.N/A
(770) 246-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 247-📞LandlineATLANTA NWBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL05/11/2017
(770) 248-📞LandlineATLANTA NEBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A
(770) 249-📞LandlineATLANTA NWBELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TELN/A

Frequently Asked Questions about Area Code 770

Where is area code 770 located?

Area code 770 is located in Georgia (United States), serving cities like Atlanta, Sandy Springs, Roswell, Johns Creek, Mableton, Alpharetta, Marietta, Stonecrest, Brookhaven, Smyrna.

What timezone is area code 770?

Area code 770 operates in the Eastern timezone.

What state is area code 770?

Area code 770 is assigned to the state / telecom territory of Georgia.

Is area code 770 a scam or dangerous?

Area code 770 is an official geographic area code for Georgia. However, beware of robocaller spoofing.

Georgia State Area Codes

View complete directory of telephone area codes assigned to Georgia.

Explore Georgia Directory

Get a 770 Business Phone Number

How to acquire a virtual phone number or business line with area code 770 for local customer trust in Georgia.

Get 770 Business Number
🛡️ Scam & Safety Directory

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Overlay & Nearby Area Codes for Georgia

Explore neighboring telecom prefixes sharing geographical boundaries with area code 770.

470
Eastern
Area Code 470
Atlanta, Sandy Springs, Roswell, Johns Creek, Mableton, Alpharetta, Marietta, Stonecrest, Brookhaven, Smyrna
678
Eastern
Area Code 678
Atlanta, Sandy Springs, Roswell, Johns Creek, Mableton, Alpharetta, Marietta, Stonecrest, Brookhaven, Smyrna
943
Eastern
Area Code 943
Atlanta, Sandy Springs, Roswell, Johns Creek, Mableton, Alpharetta, Marietta, Stonecrest, Brookhaven, Smyrna