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US area code · Georgia

678 area code

Where the 678 area code is, its overlay and how to dial a +1 678 number from anywhere.

CoversAtlanta, GeorgiaTime zoneEastern (ET)TypeOverlay
Quick answer

The 678 area code is in Atlanta, Georgia, United States (Eastern (ET)). To call from abroad: +1 678 555-0123. It is an overlay, so all 10 digits are dialled.

StateGeorgia
Main areaAtlanta
Time zoneEastern (ET)
TypeOverlay
10-digit dialingRequired
In service since21-Nov-1997

The 678 area code is a geographic North American Numbering Plan (NANP) code covering Atlanta, Georgia. It has been in service since 21-Nov-1997 and sits in the Eastern (ET) time zone.

Overlay 678 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

678404470770943

How to dial a 678 number

From abroad+1 678 555-0123
Within the US / Canada1 678 555-0123
Locally (same area)678 555-0123

Cities in the 678 area code

A 678 number is usually in one of these places in Georgia — 11 counties.

Alpharetta FultonAtlanta Dekalb;FultonCandler-McAfeeCollege ParkDouglasville DouglasDuluth Fulton;GwinnettDunwoodyEast PointForest Park ClaytonGainesville HallGriffin SpaldingKennesaw CobbLawrenceville GwinnettMableton CobbMarietta CobbPeachtree City FayetteRedan DekalbRoswell FultonSandy SpringsSmyrna CobbTucker Dekalb

Other Georgia area codes

229404470478706762770912943

Frequently asked questions

Where is the 678 area code?

The 678 area code is in Atlanta, Georgia, United States (Eastern (ET)).

Is 678 an overlay area code?

Yes. 678 overlays the same region as 404, 470, 770, 943, so callers dial all 10 digits.

Do I have to dial 10 digits for 678?

Yes — dial the area code plus the seven-digit number.

How do I call a 678 number from another country?

Dial your exit code (or +), then 1, then 678, then the number: +1 678 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 678 number does not pinpoint a street or ZIP code.

Number holders in area code 678

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 678, shared by 30 companies. The largest holders:

CompanyPrefixesShare
Paetec Itel, LLC15920%
Bellsouth Telecomm Inc Dba Southern Bell Tel & Tel12315%
Level 3 Communications, LLC9412%
Metropcs, Inc.648%
Mcimetro Access Transmission Services LLC567%
Powertel Atlanta Licenses, Inc.557%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 678 numbers

Reports to the FTC, last 30 days
766
Recorded messages or robocalls
53%
Rank among area codes
#87 of 670
Most reported subjects
Other (361)
Calls pretending to be government, businesses, or family and friends (100)
Dropped call or no message (94)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 678 — cities & rate centres

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