Louisiana ZIP Codes

ZIP codes: 719
Cities & towns: 479
Parishes: 64
Area codes: 6

How Louisiana ZIP codes are numbered

700xx–714xx

The first three digits identify the sectional center facility that processes mail for a region, so a Louisiana ZIP code can be placed geographically from its prefix alone. Each row names the city holding the most codes in that prefix.

Louisiana three-digit ZIP prefixes, the codes in each, and the city that holds the most of them.
Prefix	ZIP codes	Main area
700xx	64	Metairie
701xx	61	New Orleans
703xx	38	Houma
704xx	47	Slidell
705xx	75	Lafayette
706xx	44	Lake Charles
707xx	67	Denham Springs
708xx	42	Baton Rouge
710xx	56	Minden
711xx	41	Shreveport
712xx	63	Monroe
713xx	53	Alexandria
714xx	68	Natchitoches

Where Louisiana's communities sit

Each point is a Louisiana community with a published ZIP code list, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.

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

Louisiana cities by ZIP code count

largest 25

Area codes serving Louisiana

Scope every ZIP code recorded in Louisiana. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. The map outline is a convex envelope of published places, not a state boundary.