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U.S. ZIP Code 78558
5-digit United States postal code #78558, La Blanca, TX
ZIP code 78558 is located in the city (place name) La Blanca, сounty Hidalgo in the state of Texas. The population in ZIP code 78558 is 882 and the population density is 250.9. ZIP code 78558 refers to сounty Hidalgo having сounty FIPS 48215, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48215: 100%. In the area of the ZIP code 78558 valid time zone America/Chicago.