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City ZIP codes · Louisiana

Gretna, LA ZIP Codes

3 ZIP codes use the postal name Gretna, Louisiana (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 2 residential and 1 for PO boxes or a single organization. Median household income runs from $39,950 in 70053 to $59,027 in 70056, 1.5 times as much (Census Bureau, ACS 2020-2024). Gretna's most populous ZIP code is 70056, with 40,348 people (ACS 2020-2024); 9% of its land is in the city of Gretna.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Gretna's ZIP codes?

70053: $40k median household income70056: $59k median household income700567005370053: $40k median household income70056: $59k median household income700567005370053: $40k median household income70056: $59k median household income7005670053
The 2 residential ZIP codes named Gretna, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$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 Gretna's ZIP codes?

The highest median household income is in 70056 ($59,027), the lowest in 70053 ($39,950). Home values run from $230,500 in 70056 to $241,300 in 70053.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 2 residential ZIP codes of Gretna

Residential ZIP codes with the postal name Gretna, LA, largest first (ACS 2020-2024); sort by any column
County
70056 Jefferson Parish 40,348 5,965 $59k $231k
70053 Jefferson Parish 16,621 4,854 $40k $241k

Download the 3 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Gretna

1 ZIP code named Gretna has no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Gretna, LA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
70054Jefferson Parish

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Gretna's ZIP codes reach?

Gretna's residential ZIP codes lie in Jefferson Parish.

Which places do Gretna's ZIP codes cover?

A postal name is not a city limit. By the Census Bureau's places, Gretna's residential ZIP codes cover Gretna itself and 2 other places, each listed with the ZIP codes that have at least 5% of their land in it or hold most of the place:

  • Terrytown census-designated 70056
  • Timberlane census-designated 70056

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

Which first three digits do Gretna'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 Gretna starts with 700.

Three-digit prefixes of Gretna'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 Gretna's
PrefixSectional centerHereAll codes
700 New Orleans, LA (SCF 700) 3 64

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