Decatur, GA ZIP Codes, Area Codes and Address Format

City guides  |  September 29, 2026  |  2 min read

Decatur sits in DeKalb County, Georgia. It uses 5 standard ZIP codes and the 404, 470, 678, 770 and 943 area codes.

State

Georgia (GA)

County

DeKalb County

Standard ZIP codes

5

Time zone

Eastern

Decatur ZIP codes

These are the standard delivery ZIP codes for Decatur. The city has 8 ZIP codes in total when PO Box and unique codes are included.

• 30030
• 30032
• 30033
• 30034
• 30035

Area codes in Decatur

Decatur phone numbers use 404, 470, 678, 770 and 943. With more than one code in use, residents on the same street can have different area codes.

Sample Decatur addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Decatur

• End the address with DECATUR, GA and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Decatur has 5 codes, so the city name alone is not enough.

More Georgia cities

Alpharetta, Columbus, Macon, Augusta, Athens, or see all Georgia cities.