Postal reference / United States

78543Elsa, Texas

ZIP code 78543 is a United States postal code for Elsa, Texas. Its county association is Hidalgo County. The map reference point is at 26.2974, -97.9884.

State / territory
Texas
Recorded place name
Elsa
County association
Hidalgo
Estimated coordinate
26.2974, -97.9884
View on OpenStreetMap
ZIP prefix
785 · 68 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
6.357 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
78538EdcouchTXHidalgo2.9
78558La BlancaTXHidalgo3.1
78562La VillaTXHidalgo3.9
78596WeslacoTXHidalgo8.8
78599WeslacoTXHidalgo9.5
78537DonnaTXHidalgo9.9
78593Santa RosaTXCameron10.5
78516AlamoTXHidalgo10.8

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

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