zip4lookup

ZIP Code 79257 — Silverton, TX

79257 is a standard (street delivery) ZIP code serving Silverton, Texas, in Briscoe 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.

Free. No account needed.

ZIP code 79257 at a glance

ZIP code79257
Primary citySilverton
StateTexas (TX)
CountyBriscoe FIPS 48045
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population845
Coordinates34.448680, -101.299500

How ZIP+4 works in 79257

The four digits after the hyphen encode a delivery segment inside 79257. In practice one segment usually means:

That is why 79257 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 79257.

ZIPCityDistance
79258 South Plains, TX 14.2 mi
79255 Quitaque, TX 15.5 mi
79241 Lockney, TX 19.1 mi
79088 Tulia, TX 24 mi
79261 Turkey, TX 24.5 mi
79234 Flomot, TX 25.1 mi
79052 Kress, TX 27.1 mi
79094 Wayside, TX 30.2 mi
79072 Plainview, TX 31.7 mi
79239 Lakeview, TX 33.1 mi
79032 Edmonson, TX 35.7 mi
79226 Clarendon, TX 36.9 mi

Questions about 79257

What is the ZIP+4 code for 79257?

79257 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 79257, you need to look up a specific street address to get them.

What city is 79257?

79257 is assigned to Silverton, Texas, in Briscoe 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.

Bulk lookup API docs