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U.S. ZIP Code 76377
5-digit United States postal code #76377, Petrolia, TX
ZIP code 76377 is located in the city (place name) Petrolia, сounty Clay in the state of Texas. The population in ZIP code 76377 is 802 and the population density is 10.2. ZIP code 76377 refers to сounty Clay having сounty FIPS 48077, the ratio of people from different counties in this ZIP code is as follows: all county weights - 48077: 100%. In the area of the ZIP code 76377 valid time zone America/Chicago.