zip4lookup

ZIP Code 87521 — Chamisal, NM

87521 is a standard (street delivery) ZIP code serving Chamisal, New Mexico, in Rio Arriba 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 87521 at a glance

ZIP code87521
Primary cityChamisal
StateNew Mexico (NM)
CountyRio Arriba FIPS 35039
ZIP typeStandard (street delivery)
Time zoneAmerica/Denver
Population1,261
Coordinates36.085060, -105.704770

How ZIP+4 works in 87521

The four digits after the hyphen encode a delivery segment inside 87521. In practice one segment usually means:

That is why 87521 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 87521.

ZIPCityDistance
87543 Llano, NM 2.9 mi
87578 Truchas, NM 5.3 mi
87553 Penasco, NM 8.2 mi
87579 Vadito, NM 8.2 mi
87523 Cordova, NM 10.2 mi
87527 Dixon, NM 10.6 mi
87522 Chimayo, NM 11.3 mi
87531 Embudo, NM 14 mi
87557 Ranchos De Taos, NM 14.4 mi
87511 Alcalde, NM 14.5 mi
87715 Cleveland, NM 16.2 mi
87732 Mora, NM 16.4 mi

Questions about 87521

What is the ZIP+4 code for 87521?

87521 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 87521, you need to look up a specific street address to get them.

What city is 87521?

87521 is assigned to Chamisal, New Mexico, in Rio Arriba 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