---
title: "Area code 678: Georgia, United States"
url: "https://lookvalid.com/area-code/678.md"
canonical_url: "https://lookvalid.com/area-code/678"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 678 serves Georgia, United States. Number formats, numbering rules, a live phone validator and the other codes in Georgia."
---

# Area code 678: Georgia, United States

Area code 678 serves Georgia, United States. Number formats, numbering rules, a live phone validator and the other codes in Georgia.

NANPA lists 785 central office codes (prefixes) in use in area code 678, held by 26 holders across 42 rate centers.
Paetec Itel holds the most prefixes, 159 (20%). 79% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 4,315 complaints on file for 3,264 numbers in 678, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1998-01-06
- Time zone: Eastern (E)
- Assigned overlays: 404 (1947-01-01), 770 (1995-08-01), 470 (2010-02-26), 943 (2022-03-15)
- Prefixes in use: 785
- Pooled prefixes: 620 (79%)
- Rate centers: 42
- Companies holding prefixes: 26
- Assignment dates on file: 2001-01-02 to 2023-12-05 (192 prefixes)
- ZIP codes in its places: 140

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| ATLANTA NE | 285 | 36% |
| ATLANTA NW | 130 | 17% |
| ATLANTA | 95 | 12% |
| ATLANTA SO | 62 | 8% |
| GAINESVL | 36 | 5% |
| NEWNAN | 18 | 2% |
| BUFORD | 15 | 2% |
| CUMMING | 15 | 2% |
| 34 other rate centers | 129 | 16% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Paetec Itel | 159 | 20% |
| Southern Bell Tel & Tel | 122 | 16% |
| Level 3 Communications | 94 | 12% |
| Mcimetro Access Transmission Services | 84 | 11% |
| Powertel Atlanta Licenses | 63 | 8% |
| Metropcs | 56 | 7% |
| 20 other carriers | 207 | 26% |

A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company.

## History

- 1998-01-06: Area code 678 went into service.
- 2010-02-26: Area code 470, named as the parent of 678 in the NANPA report, was in service.
- 2010-02-26: Area code 470 went into service as an overlay in the same area as 678.

## Nearest area codes

The area codes closest to 678, measured between the centers of the ZIP code places they serve, are 706 (about 30 miles), 762 (about 33 miles), 478 (about 98 miles), 256 (about 120 miles) and 938 (about 128 miles).

## ZIP codes

140 ZIP codes fall in places that have a rate center in this area code. The places with the most are Atlanta, GA (92 ZIP codes), Carrollton, GA (5 ZIP codes) and Newnan, GA (4 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes.

## Complaints on file

4,315 complaints for 3,264 numbers. Numbers whose latest complaint falls in each year:

- 2023: 135
- 2024: 195
- 2025: 149

## Questions

### Where is area code 678?

NANPA assigns area code 678 to Georgia, United States.

### In which state does area code 678 sit?

Georgia. 678 is one of 10 area codes the NANPA table assigns to the state.

### Which places does area code 678 cover?

The places with the most ZIP codes among the rate centers in 678 are Atlanta, GA, Carrollton, GA and Newnan, GA. The rate center list on this page shows all of them.

### Who owns area code 678?

NANPA assigns area codes. Within 678, Paetec Itel holds the most prefixes, 159 prefixes or 20%.

### Which time zone does 678 use?

The NANPA NPA report lists the time zone for 678 as Eastern (E).

### What year did 678 enter service?

The NANPA NPA report gives an in-service date of 1998-01-06, so 678 has been in use since 1998.

### Does area code 678 have an overlay?

Yes. 404 (in service 1947-01-01), 770 (in service 1995-08-01), 470 (in service 2010-02-26) and 943 (in service 2022-03-15) share the same area with 678, so numbers from all of them are local to each other.

### Which area codes are nearest to 678?

The area codes closest to 678, measured between the centers of the ZIP code places they serve, are 706 (about 30 miles), 762 (about 33 miles), 478 (about 98 miles), 256 (about 120 miles) and 938 (about 128 miles).

### How many prefixes does area code 678 have?

NANPA's report dated 2026-10-17 lists 785 prefixes in service in 678, spread over 42 rate centers and 26 holders.

### Are there complaints about 678 numbers?

The FCC data on file has 4,315 complaints for 3,264 numbers in 678. They are unverified consumer reports. A number with no complaints on file is not proven safe.

Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).