Rio Blanco, PR is a city located in Naguabo County, Puerto Rico and has a land area of 0.00 square miles (0.00 km2). The water area for the city is 0.00 square miles or 0.00 km2. There is one unique zip code in Rio Blanco, Puerto Rico and it is 00744. The area code(s) for Rio Blanco is 787/939.
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