ZIP Code 76637 — Cranfills Gap, TX
76637 is a standard (street delivery) ZIP code serving Cranfills Gap, Texas, in Bosque 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 76637 at a glance
| ZIP code | 76637 |
|---|---|
| Primary city | Cranfills Gap |
| State | Texas (TX) |
| County | Bosque FIPS 48035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 440 |
| Coordinates | 31.766310, -97.818170 |
How ZIP+4 works in 76637
The four digits after the hyphen encode a delivery segment inside 76637. 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 76637 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 76637.
| ZIP | City | Distance |
|---|---|---|
| 76538 | Jonesboro, TX | 9.5 mi |
| 76665 | Meridian, TX | 11.9 mi |
| 76634 | Clifton, TX | 14.9 mi |
| 76649 | Iredell, TX | 16.6 mi |
| 76457 | Hico, TX | 17.6 mi |
| 76689 | Valley Mills, TX | 19.6 mi |
| 76566 | Purmela, TX | 20.2 mi |
| 76597 | Gatesville, TX | 20.5 mi |
| 76598 | Gatesville, TX | 20.7 mi |
| 76596 | Gatesville, TX | 20.7 mi |
| 76599 | Gatesville, TX | 21 mi |
| 76531 | Hamilton, TX | 22.6 mi |
Questions about 76637
What is the ZIP+4 code for 76637?
76637 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 76637, you need to look up a specific street address to get them.
What city is 76637?
76637 is assigned to Cranfills Gap, Texas, in Bosque 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?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.