| City: | San Juan, Puerto Rico |
| City Alias: | Rio Piedras |
| County: | San Juan County |
| Timezone: | Atlantic (GMT -04:00) |
| Local Time: | 9:10:03 PM |
| Population: | No Population Data |
| Area Codes: | 787 / 939 |
| Classification: | PO Box |
| Coordinates: | 18.4683, -66.1061 |
| Quick Link: |
ZIP code 00928 serves a post office facility in San Juan, Puerto Rico. The facility sits within the boundaries of ZIP 00927 and operates as a PO Box-only location at a single address on Calle Arzuaga. With 1,240 PO Boxes and 365 business delivery points, this location functions as a commercial mail hub in the greater San Juan metropolitan area. It isn't a residential ZIP. There's no population because there are no homes within its service boundary.
The post office accepts mail addressed to either San Juan or Río Piedras. Río Piedras was an independent municipality until 1951, when it merged with San Juan. The historic district retains its identity as an alias for this ZIP code. This facility provides PO Box service for businesses and individuals who need a San Juan mailing address without maintaining physical premises in the area.
Urban carrier routes handle street-style delivery at the Calle Arzuaga location, where units function like suites in an office building. The single city carrier route serves all 293 street-address records at this location.
Single street address serves as the post office location with 293 individual unit designations.
ZIP Code 00928 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: | 1,674Source: 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 00928 is located in San Juan County, Puerto Rico, within the San Juan-Bayamon-Caguas, PR Metropolitan Statistical Area (CBSA 41980). This Metro area has a population of 2,063,795 people, about 0.00% of whom live in ZIP Code 00928. 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: | 2,063,795Source: 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: | 7276770Source: Census |
| Place Name: | San Juan zona urbana; Puerto RicoSource: Census |
ZIP Code 00928 is in the Puerto Rico Department of Education, which serves grades Pre-Kindergarten thru 12th. There are 27 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.