ZIP Code 30040

30040 is one of Georgia's ZIP codes, delivering to addresses in Cumming, Forsyth County.

City: Cumming
County: Forsyth County
State: Georgia
Prefix: 300xx

Where this code sits

30040 is part of the 300xx range, the group of codes handled by one mail processing centre. Cumming is served by 3 ZIP codes in total; the full list, with the county each falls in, is on the Cumming page.

Cumming Georgia ZIP codes →

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 30040 delivers to without sharing its boundary.

ZIP codes nearest 30040

The ZIP codes whose reference points sit closest to 30040.
ZIP code	Distance	Delivers to
ZIP code 30041	3.7 mi	Cumming, GA
ZIP code 30028	4.2 mi	Cumming, GA
ZIP code 30005	11 mi	Alpharetta, GA
ZIP code 30004	12 mi	Alpharetta, GA
ZIP code 30518	12 mi	Buford, GA
ZIP code 30023	13 mi	Alpharetta, GA
ZIP code 30009	14 mi	Alpharetta, GA
ZIP code 30503	14 mi	Gainesville, GA

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.

Each point is the reference point for 30040, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Scope ZIP code 30040. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.