| City: | Guayama, Puerto Rico |
| Counties: | Guayama County [Primary] Guayanilla County |
| Timezone: | Atlantic (GMT -04:00) |
| Local Time: | 9:08:09 PM |
| Population: | No Population Data |
| Area Codes: | 787 / 939 |
| Classification: | PO Box |
| Coordinates: | 17.9800, -66.1101 |
| Quick Link: |
ZIP code 00785 serves as a PO Box facility in Guayama, Puerto Rico. Located on Calle Ashford S, this post office provides 1,472 PO Boxes to residents and businesses in the southern coastal municipality. The ZIP doesn't have its own territory. Instead, it exists as a point location entirely contained within ZIP 00784, which handles the broader Guayama area.
This isn't a PO Box Only Zone. Street delivery exists through one city carrier route, though the 00785 ZIP specifically handles PO Box services. The 168 street-addressed records all point to the same location on Calle Ashford, where the post office building uses unit numbers for internal organization. Businesses maintain 108 delivery points here, suggesting the post office serves as a commercial hub for local enterprises that prefer or require a dedicated mailing address.
Guayama sits on Puerto Rico's southeastern coast, known historically as the "City of Witches" (Ciudad Bruja). While the 00785 ZIP itself has no residential population in Census records, it functions as the PO Box arm of the postal infrastructure serving this municipality of roughly 37,000 people across the broader Guayama area.
Single street address represents the post office building location, with unit numbers for internal organization.
ZIP Code 00785 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: | 4,463Source: 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 00785 is located in Guayama County, Puerto Rico, within the Guayama, PR Metropolitan Statistical Area (CBSA 25020). This Metro area has a population of 67,171 people, about 0.00% of whom live in ZIP Code 00785. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Guayama, PRSource: Census |
| CBSA Number: | 25020Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 67,171Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 7232221Source: Census |
| Place Name: | Guayama zona urbana; Puerto RicoSource: Census |
ZIP Code 00785 is in the Puerto Rico Department of Education, which serves grades Pre-Kindergarten thru 12th. There are 5 public school(s) in this ZIP Code, and we have located 0 private school(s). 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.