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Area code 478

Area code 478 Macon-Bibb County, Georgia

Area code 478 is in Georgia, with numbers assigned in Macon-Bibb County, Warner Robins, Dublin and 43 more places. It’s 12:12 AM there now.

State
Georgia10 area codes in Georgia
Time zone
Eastern12:12 AM there now
Exchanges
44646 places
Overlay
NoneThe only code for its area
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Where area code 478 is

Numbers in 478 are assigned to 46 places in 22 counties: Bibb County, Peach County, Houston County, Laurens County, Baldwin County, Emanuel County, plus 16 more.

Macon-Bibb County has the most, 33% of the exchanges; the rest are spread across 45 other places.

  • Macon-Bibb County149
  • Warner Robins50
  • Dublin26
  • Milledgeville19
  • Sandersville13
  • Swainsboro13
  • Perry10
  • Cochran10
  • Forsyth10
  • Eastman9
  • Wadley7
  • Hawkinsville7
  • Gray6
  • Marshallville6
  • Louisville6
  • Centerville6
  • Fort Valley6
  • Millen5
  • Montezuma5
  • Wrightsville5
  • Sardis4
  • Gordon4
  • Byromville4
  • Irwinton4

Phone companies in 478

446 blocks of numbers in 478 are held by 49 phone companies. The most belong to AT&T (69), Verizon Wireless (51) and Inteliquent (49).

A large share, about 41%, belongs to competitive and internet phone carriers; wireless networks hold 28% and local phone and cable companies 32%.

A block’s holder is the company it was first assigned to; numbers can move to other carriers since.

History and overlays

478 went into service in 2000, added to the area of 912.

103 new exchanges were assigned since 2021, the latest in October 2026.

Calling 478

It’s 12:12 AM Eastern time in 478 right now.

From elsewhere in the U.S., dial 1, 478 and the 7-digit number.

Nearby area codes

Georgia has 10 area codes: 229, 404, 470, 478, 678, 706, 762, 770, 912 and 943.

From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.

Map of the 478 area code

Map of the 478 area code around Macon-Bibb County, Warner Robins and Dublin, Georgia.

Interactive map © OpenStreetMap contributors

Cities on the map

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Questions about 478

Where is area code 478?

In Georgia, covering Macon-Bibb County, Warner Robins and Dublin and other places across 22 counties.

What time zone is 478 in?

Eastern time. It was 12:12 AM there when this page loaded.

Is 478 an overlay?

No. 478 is the only area code for its area right now.

Which phone companies have 478 numbers?

49 companies hold blocks; the most belong to AT&T, Verizon Wireless and Inteliquent. About 28% of blocks are wireless.

Is 478 running out of numbers?

Not on record. 103 new exchanges have been assigned since 2021.