The 478 area code covers Macon, Warner Robins and 46 more places in Georgia.
Area code 478 is in Georgia, on Eastern Time. In the 478 area, phone numbers are given out most in Bibb County, then Houston and Laurens counties. It has been in service since August 1, 2000.
- Where
- 8 counties in Georgia, mostly Bibb County, Houston County and Laurens County
- Time zone
- Eastern Time
- In service since
- August 1, 2000
- Shares its area with
- No other area code
- Prefixes in use
- 445
- How to dial
- Local calls need all 10 digits: 478-555-0142.
Find out who called you from a 478 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (478) number is on today, use our free carrier lookup.
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Macon holds 33% of the phone prefixes in area code 478.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 445 prefixes in use shows where 478 numbers are actually given out.
- Macon149 prefixes, 33%
- Warner Robins50 prefixes, 11%
- Dublin26 prefixes, 6%
- Milledgeville19 prefixes, 4%
- Sandersville13 prefixes, 3%
- Swainsboro13 prefixes, 3%
- Perry10 prefixes, 2%
- Cochran10 prefixes, 2%
Also served: Eastman, Forsyth, Wadley and Hawkinsville and 36 smaller places.
BellSouth (AT&T) holds the most phone number prefixes in area code 478: 69 of 445.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 445 prefixes in use in 478 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| BellSouth (AT&T)AT&T's landline company | 69 | 16% |
| AT&T MobilityMobile network | 38 | 9% |
| WindstreamLandline company | 32 | 7% |
| T-MobileMobile network | 23 | 5% |
| Teleport (AT&T)AT&T's business phone network | 20 | 4% |
| Level 3 (Lumen)Lumen's business and wholesale network | 19 | 4% |
| 42 other carriers | 244 | 55% |
66% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
478 has covered the same ground since 2000.
2000
478 starts on August 1, 2000, split off from 912.
A 478 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 478 are 706, 229 and 912.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
Georgia has 9 other area codes.
These are the questions people ask most about area code 478.
Where is area code 478?
478 covers Macon, Warner Robins, Dublin and Milledgeville and 44 more places in Georgia. In the 478 area, phone numbers are given out most in Bibb County, then Houston and Laurens counties.
What state is area code 478 in?
Georgia. 478 is a Georgia area code on Eastern Time.
What cities use area code 478?
The places holding the most 478 prefixes are Macon, Warner Robins, Dublin, Milledgeville, Sandersville, Swainsboro, Perry and Cochran, out of 48 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 478?
No single phone company owns 478. NANPA's records show BellSouth (AT&T) holds the most 478 prefixes, 69 of 445, followed by AT&T Mobility and Windstream. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 478 in?
478 is on Eastern Time.
When did area code 478 start?
478 went into service on August 1, 2000, when it was split off from 912.
How do I dial a 478 number?
Local calls need all 10 digits: 478-555-0142.
Is 478 a toll-free number?
No. 478 is a regular area code for Macon and Warner Robins in Georgia, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 478?
The closest are 706/762 (Augusta, Georgia), 229 (Albany, Georgia), 912 (Savannah, Georgia) and 404/770/678/470/943 (Atlanta, Georgia), measured between the centres of each area.
Who called me from a 478 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 478 a scam?
478 is a real Georgia area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.