---
title: "Area code 770: Georgia, United States"
url: "https://lookvalid.com/area-code/770.md"
canonical_url: "https://lookvalid.com/area-code/770"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 770 serves Georgia, United States. Number formats, numbering rules, a live phone validator and the other codes in Georgia."
---

# Area code 770: Georgia, United States

Area code 770 serves Georgia, United States. Number formats, numbering rules, a live phone validator and the other codes in Georgia.

NANPA lists 784 central office codes (prefixes) in use in area code 770, held by 28 holders across 43 rate centers.
The largest rate center is ATLANTA NE, with 366 prefixes (47%).
Southern Bell Tel & Tel holds the most prefixes, 429 (55%). 43% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 3,655 complaints on file for 2,987 numbers in 770, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 1995-08-01
- Time zone: Eastern (E)
- Assigned overlays: 678 (1998-01-06), 470 (2010-02-26), 943 (2022-03-15)
- Prefixes in use: 784
- Pooled prefixes: 334 (43%)
- Rate centers: 43
- Companies holding prefixes: 28
- Assignment dates on file: 2001-01-16 to 2026-05-19 (80 prefixes)
- ZIP codes in its places: 141

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| ATLANTA NE | 366 | 47% |
| ATLANTA NW | 150 | 19% |
| ATLANTA SO | 67 | 9% |
| GAINESVL | 24 | 3% |
| CONYERS | 15 | 2% |
| ADAIRSVL | 12 | 2% |
| CUMMING | 12 | 2% |
| NEWNAN | 11 | 1% |
| 35 other rate centers | 127 | 16% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Southern Bell Tel & Tel | 429 | 55% |
| New Cingular Wireless PCS | 53 | 7% |
| Verizon Wireless | 45 | 6% |
| Mcimetro Access Transmission Services | 36 | 5% |
| Teleport Communications America | 36 | 5% |
| Comcast IP Phone | 35 | 4% |
| 22 other carriers | 150 | 19% |

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

- 1947-01-01: Area code 404, named as the parent of 770 in the NANPA report, was in service.
- 1995-08-01: Area code 770 went into service.

## Nearest area codes

The area codes closest to 770, measured between the centers of the ZIP code places they serve, are 404 (about 2 miles), 706 (about 31 miles), 762 (about 33 miles), 478 (about 98 miles) and 256 (about 120 miles).

## ZIP codes

141 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

3,655 complaints for 2,987 numbers. Numbers whose latest complaint falls in each year:

- 2023: 207
- 2024: 214
- 2025: 125

## Questions

### Where is area code 770?

NANPA assigns area code 770 to Georgia, United States.

### In which state does area code 770 sit?

Georgia. 770 is one of 10 area codes the NANPA table assigns to the state.

### Which places does area code 770 cover?

The places with the most ZIP codes among the rate centers in 770 are Atlanta, GA, Carrollton, GA and Newnan, GA. The rate center list on this page shows all of them.

### Who owns area code 770?

NANPA assigns area codes. Within 770, Southern Bell Tel & Tel holds the most prefixes, 429 prefixes or 55%.

### Which time zone does 770 use?

The NANPA NPA report lists the time zone for 770 as Eastern (E).

### What year did 770 enter service?

The NANPA NPA report gives an in-service date of 1995-08-01, so 770 has been in use since 1995.

### Does area code 770 have an overlay?

Yes. 678 (in service 1998-01-06), 470 (in service 2010-02-26) and 943 (in service 2022-03-15) share the same area with 770, so numbers from all of them are local to each other.

### Which area codes are nearest to 770?

The area codes closest to 770, measured between the centers of the ZIP code places they serve, are 404 (about 2 miles), 706 (about 31 miles), 762 (about 33 miles), 478 (about 98 miles) and 256 (about 120 miles).

### How many prefixes does area code 770 have?

NANPA's report dated 2026-10-17 lists 784 prefixes in service in 770, spread over 43 rate centers and 28 holders.

### Are there complaints about 770 numbers?

The FCC data on file has 3,655 complaints for 2,987 numbers in 770. 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).