---
title: "Area code 478: Georgia, United States"
url: "https://lookvalid.com/area-code/478.md"
canonical_url: "https://lookvalid.com/area-code/478"
last_updated: "2026-10-23"
type: "reference"
summary: "Area code 478 serves Georgia, United States. Number formats, numbering rules, a live phone validator and the other codes in Georgia."
---

# Area code 478: Georgia, United States

Area code 478 serves Georgia, United States. Number formats, numbering rules, a live phone validator and the other codes in Georgia.

NANPA lists 439 central office codes (prefixes) in use in area code 478, held by 52 holders across 50 rate centers.
Southern Bell Tel & Tel holds the most prefixes, 69 (16%). 65% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
The FCC unwanted-call data has 1,351 complaints on file for 1,092 numbers in 478, most often filed as "Unwanted Calls". These are consumer reports, not findings.

## Facts

- In service since: 2000-08-01
- Time zone: Eastern (E)
- Prefixes in use: 439
- Pooled prefixes: 286 (65%)
- Rate centers: 50
- Companies holding prefixes: 52
- Assignment dates on file: 2001-01-03 to 2026-03-19 (238 prefixes)
- ZIP codes in its places: 60

## Rate centers

| Rate center | Prefixes | Share |
| --- | --- | --- |
| MACON | 145 | 33% |
| WARNERRBNS | 50 | 11% |
| DUBLIN | 26 | 6% |
| MILLEDGEVL | 19 | 4% |
| SANDERSVL | 13 | 3% |
| SWAINSBORO | 13 | 3% |
| COCHRAN | 10 | 2% |
| PERRY | 10 | 2% |
| 42 other rate centers | 153 | 35% |

## Carriers

| Holder | Prefixes | Share |
| --- | --- | --- |
| Southern Bell Tel & Tel | 69 | 16% |
| Verizon Wireless | 51 | 12% |
| Onvoy | 47 | 11% |
| New Cingular Wireless PCS | 35 | 8% |
| Powertel Atlanta Licenses | 23 | 5% |
| Teleport Communications America | 20 | 5% |
| 46 other carriers | 194 | 44% |

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

- 1954-01-01: Area code 912, named as the parent of 478 in the NANPA report, was in service.
- 2000-08-01: Area code 478 went into service.

## Nearest area codes

The area codes closest to 478, measured between the centers of the ZIP code places they serve, are 762 (about 77 miles), 706 (about 80 miles), 229 (about 95 miles), 943 (about 97 miles) and 404 (about 98 miles).

## ZIP codes

60 ZIP codes fall in places that have a rate center in this area code. The places with the most are Macon, GA (20 ZIP codes), Dublin, GA (2 ZIP codes) and Adrian, GA (1 ZIP code). 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

1,351 complaints for 1,092 numbers. Numbers whose latest complaint falls in each year:

- 2023: 65
- 2024: 84
- 2025: 63

## Questions

### Where is area code 478?

NANPA assigns area code 478 to Georgia, United States.

### In which state does area code 478 sit?

Georgia. 478 is one of 10 area codes the NANPA table assigns to the state.

### Which places does area code 478 cover?

The places with the most ZIP codes among the rate centers in 478 are Macon, GA, Dublin, GA and Adrian, GA. The rate center list on this page shows all of them.

### Who owns area code 478?

NANPA assigns area codes. Within 478, Southern Bell Tel & Tel holds the most prefixes, 69 prefixes or 16%.

### Which time zone does 478 use?

The NANPA NPA report lists the time zone for 478 as Eastern (E).

### What year did 478 enter service?

The NANPA NPA report gives an in-service date of 2000-08-01, so 478 has been in use since 2000.

### Does area code 478 have an overlay?

The NANPA NPA report lists no other area code in an overlay with 478.

### Which area codes are nearest to 478?

The area codes closest to 478, measured between the centers of the ZIP code places they serve, are 762 (about 77 miles), 706 (about 80 miles), 229 (about 95 miles), 943 (about 97 miles) and 404 (about 98 miles).

### How many prefixes does area code 478 have?

NANPA's report dated 2026-10-17 lists 439 prefixes in service in 478, spread over 50 rate centers and 52 holders.

### Are there complaints about 478 numbers?

The FCC data on file has 1,351 complaints for 1,092 numbers in 478. 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).