ZIP Code 00637 — Sabana Grande, PR
00637 is a standard (street delivery) ZIP code serving Sabana Grande, Puerto Rico, in Sabana Grande County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 00637 at a glance
| ZIP code | 00637 |
|---|---|
| Primary city | Sabana Grande |
| State | Puerto Rico (PR) |
| County | Sabana Grande FIPS 72121 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Puerto_Rico |
| Population | 22,909 |
| Coordinates | 18.081000, -66.946590 |
How ZIP+4 works in 00637
The four digits after the hyphen encode a delivery segment inside 00637. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 00637 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 00637.
| ZIP | City | Distance |
|---|---|---|
| 00606 | Maricao, PR | 5.9 mi |
| 00698 | Yauco, PR | 6 mi |
| 00683 | San German, PR | 6.3 mi |
| 00653 | Guanica, PR | 6.7 mi |
| 00667 | Lajas, PR | 7.8 mi |
| 00647 | Ensenada, PR | 7.9 mi |
| 00631 | Castaner, PR | 10.4 mi |
| 00656 | Guayanilla, PR | 10.5 mi |
| 00670 | Las Marias, PR | 11.2 mi |
| 00660 | Hormigueros, PR | 11.6 mi |
| 00623 | Cabo Rojo, PR | 13.6 mi |
| 00669 | Lares, PR | 14.1 mi |
Questions about 00637
What is the ZIP+4 code for 00637?
00637 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 00637, you need to look up a specific street address to get them.
What city is 00637?
00637 is assigned to Sabana Grande, Puerto Rico, in Sabana Grande County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
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