County ZIP codes · Georgia · FIPS 13291

Union County, GA ZIP Codes

Union County, Georgia has 5 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 4 residential and 1 for PO boxes or a single organization. 2 of the residential ones lie mainly in Union County and 2 mainly in a neighboring county; 3 cross the county line. Median household income ranges from $59,360 in 30582 (Young Harris) to $66,642 in 30512 (Blairsville) (Census Bureau, ACS 2020-2024).

ACS2020-24
Census2020

Where are the ZIP codes of Union County?

The residential ZIP codes of Union County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024). <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are its ZIP codes?

30582 · $59k 30512 · $67k

They carry 4 postal town names: Blairsville, Young Harris, Morganton, Suches.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013).

All 4 residential ZIP codes in Union County

2 ZIP codes lie mainly in Union County; 2 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in Union County, largest first; "In this county" is the share of the ZIP's land in the county
						In this county
30512	Blairsville	24,929	112	$67k	$313k	99%
30572	Suches	912	9	$65k	$319k	70%

Partly in Union County

Residential ZIP codes mainly in another county that reach at least 1% into Union County, by their share here
						In this county
30582	Young Harris	5,284	102	$59k	$330k	38%
30560	Morganton	4,295	60	$66k	$321k	11%

Download the 5 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

4 ZIP codes of Union County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in Union County and in the neighboring counties
ZIP	In Union	Elsewhere
30512	99%
30582	38%	Towns County 62%
30560	11%	Fannin County 89%
30572	70%	Fannin County 30%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in Union County without a residential area (GeoNames postal codes)
ZIP	Postal name
30514	Blairsville

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do Union County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Union County starts with 305.

Three-digit prefixes of Union County's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Union County's
Prefix	Sectional center	Here	All codes
305	North Metro, GA (SCF 300)	5	69

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.