| City: | Cayey, Puerto Rico |
| County: | Cayey County |
| Timezone: | Atlantic (GMT -04:00) |
| Local Time: | 8:42:29 PM |
| Population: | No Population Data |
| Area Codes: | 787 / 939 |
| Classification: | PO Box |
| Coordinates: | 18.1138, -66.1667 |
| Quick Link: |
ZIP code 00737 serves as a PO Box facility in Cayey, Puerto Rico. The post office maintains 2,062 PO Boxes and 120 business delivery points at this location. This isn't a residential ZIP. No population lives within the ZIP code's boundaries, and Census data shows zero housing units.
Cayey has multiple ZIP codes, and 00737 functions as the PO Box designation while neighboring ZIP 00736 provides the geographic coverage. The facility includes one street address, Avenida Baldorioty Este, with 191 unit-based delivery points. These units use PO Box Street Addressing (PBSA), allowing box holders to receive mail using a street-style format instead of traditional PO Box notation.
The post office offers city carrier delivery service, indicated by the single city carrier route serving the building. With a standard ZIP code sibling available in Cayey, residents and businesses can choose between PO Box service at 00737 or street delivery through the companion ZIP. This separation between PO Box and street delivery ZIPs follows USPS organizational patterns common in Puerto Rico municipalities.
For PO Box delivery, use:
PO Box [Number]
Cayey, PR 00737Alternatively, PBSA format is available:
[Unit Number] Ave Baldorioty E
Cayey, PR 00737Single street address represents the post office building with unit-based PO Box Street Addressing.
ZIP Code 00737 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: | 8,913Source: 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 00737 is located in Cayey 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 00737. 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: | Caguas, PR PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 7215494Source: Census |
| Place Name: | Cayey zona urbana; Puerto RicoSource: Census |
ZIP Code 00737 is in the Puerto Rico Department of Education, which serves grades Pre-Kindergarten thru 12th. There are 6 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.