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U.S. ZIP Code 78340
5-digit United States postal code #78340, Bayside, TX
ZIP code 78340 is located in the city (place name) Bayside, сounty Refugio in the state of Texas. The population in ZIP code 78340 is 379 and the population density is 6.8. ZIP code 78340 refers to сounty Refugio having сounty FIPS 48391, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48391: 100%. In the area of the ZIP code 78340 valid time zone America/Chicago.