| City: | Rio Blanco, Puerto Rico |
| County: | Naguabo County |
| Timezone: | Atlantic (GMT -04:00) |
| Local Time: | 8:42:37 PM |
| Population: | No Population Data |
| Area Codes: | 787 / 939 |
| Classification: | PO Box |
| Coordinates: | 18.2202, -65.7902 |
| Quick Link: |
Río Blanco is a small community in Naguabo municipality, located in Puerto Rico's eastern coastal region. The post office serves as the mail hub for residents and businesses along Carretera 31 (Highway 31), maintaining 707 PO Boxes and 19 business delivery points. This is designated as a PO Box Only Zone, meaning there's no alternative mail delivery available for this area.
The ZIP code has limited street delivery infrastructure, with just two city carrier routes serving addresses along Carr 31. Most mail recipients rely on PO Boxes at the Río Blanco post office. The Census Bureau doesn't track residential population within this specific ZIP boundary, but the 707 active PO Boxes indicate an active service area that extends beyond the immediate post office location.
The Río Blanco ZIP falls within the larger 00718 ZIP code territory geographically. This arrangement is common in Puerto Rico's rural areas, where smaller post offices provide regional PO Box service while carrier delivery operates from a central facility. Mail addressed to Río Blanco, PR 00744 is processed through this dedicated post office serving the Carretera 31 corridor.
Only one street in the ZIP+4 database: Carretera 31, the main highway corridor through the area.
ZIP Code 00744 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 723Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 00744 is located in Naguabo County, Puerto Rico, within the San Juan-Bayamon-Caguas, PR Metropolitan Statistical Area (CBSA 41980). This Metro area has a population of 2,478,905 people, about 0.00% of whom live in ZIP Code 00744. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | San Juan-Bayamon-Caguas, PRSource: Census |
| CBSA Number: | 41980Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 2,478,905Source: Census |
| MSA: | San Juan-Caguas-Arecibo, PR CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | San Juan-Bayamon, PR PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 7270448Source: Census |
| Place Name: | Rio Blanco comunidad; Puerto RicoSource: Census |
We could not locate which school district 00744 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.