| City: | Trujillo Alto, Puerto Rico |
| City Alias: | Trujillo |
| County: | Trujillo Alto County |
| Timezone: | Atlantic (GMT -04:00) |
| Local Time: | 8:44:37 PM |
| Population: | No Population Data |
| Area Codes: | 787 / 939 |
| Classification: | PO Box |
| Coordinates: | 18.3569, -66.0076 |
| Quick Link: |
ZIP code 00977 serves as a branch post office for Trujillo Alto, a municipality in northeastern Puerto Rico near San Juan. This isn't a standalone ZIP with its own territory. Instead, it's a point location contained entirely within ZIP 00976, dedicated to providing PO Box services.
The branch office maintains 1,611 PO Boxes plus 203 business delivery points. That's a substantial mail hub for a community with no residential population assigned to its own boundaries. Residents and businesses in the greater Trujillo Alto area use these boxes while their street addresses fall under the neighboring 00976 ZIP code.
All street-addressed mail at this location routes through Calle Borinquen, which is the post office's physical address. The 104 ZIP+4 records tied to this street use UNIT designators, a common pattern for PO Box Street Addressing. This system lets customers use the post office street address with their box number as a unit, providing a street-style address for deliveries that require one.
USPS also recognizes "Trujillo" as a valid mailing name for this ZIP, an alias added in June 2017. This shorter form reflects local usage in Puerto Rico, where municipality names often appear in abbreviated forms.
The only street is the post office's physical address, used for PO Box Street Addressing.
ZIP Code 00977 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: | 2,202Source: 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 00977 is located in Trujillo Alto 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 00977. 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: | 7283606Source: Census |
| Place Name: | Trujillo Alto zona urbana; Puerto RicoSource: Census |
ZIP Code 00977 is in the Puerto Rico Department of Education, which serves grades Pre-Kindergarten thru 12th. There are 2 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 March 1, 2026.