ZIP Code 70734

70734 is one of Louisiana's ZIP codes, delivering to addresses in Geismar, Ascension Parish.

City: Geismar
Parish: Ascension Parish
State: Louisiana
Prefix: 707xx

Where this code sits

70734 is part of the 707xx range, the group of codes handled by one mail processing centre. It is the only ZIP code delivering to Geismar.

Area codes over the same ground

Postal and telephone geography are drawn separately, so these codes cover the area 70734 delivers to without sharing its boundary.

225 Area code 225

ZIP codes nearest 70734

The ZIP codes whose reference points sit closest to 70734.
ZIP code	Distance	Delivers to
ZIP code 70721	5.1 mi	Carville, LA
ZIP code 70776	5.2 mi	Saint Gabriel, LA
ZIP code 70737	5.7 mi	Gonzales, LA
ZIP code 70728	6.4 mi	Duplessis, LA
ZIP code 70725	6.7 mi	Darrow, LA
ZIP code 70769	7.3 mi	Prairieville, LA
ZIP code 70738	7.5 mi	Burnside, LA
ZIP code 70346	8.2 mi	Donaldsonville, LA

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 70734, plotted from its record coordinates.

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

Scope ZIP code 70734. 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.