Postal reference / United States

78373Port Aransas, Texas

ZIP code 78373 is a United States postal code for Port Aransas, Texas. Its county association is Nueces County. The map reference point is at 27.7707, -97.1051.

State / territory
Texas
Recorded place name
Port Aransas
County association
Nueces
Estimated coordinate
27.7707, -97.1051
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ZIP prefix
783 · 49 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Area

Land area
18.847 sq mi (2023 Census Gazetteer)

Figures are for the ZIP Code Tabulation Area (ZCTA) that most closely matches this ZIP code, not an exact match to USPS delivery boundaries. Source: U.S. Census Bureau, 2023 Gazetteer + 2023 ACS 5-Year Estimates, retrieved 2026-09-27. How to read this data.

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Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
78362InglesideTXSan Patricio9.2
78336Aransas PassTXSan Patricio10.1
78335Aransas PassTXSan Patricio11.0
78419Corpus ChristiTXNueces11.3
78359GregoryTXSan Patricio15.4
78374PortlandTXSan Patricio15.5
78418Corpus ChristiTXNueces15.7
78412Corpus ChristiTXNueces15.8

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

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