ZIP Code 87511 — Alcalde, NM
87511 is a standard (street delivery) ZIP code serving Alcalde, 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.
ZIP code 87511 at a glance
| ZIP code | 87511 |
|---|---|
| Primary city | Alcalde |
| State | New Mexico (NM) |
| County | Rio Arriba FIPS 35039 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 3,108 |
| Coordinates | 36.089050, -105.964480 |
How ZIP+4 works in 87511
The four digits after the hyphen encode a delivery segment inside 87511. 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 87511 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 87511.
| ZIP | City | Distance |
|---|---|---|
| 87582 | Velarde, NM | 4.9 mi |
| 87566 | Ohkay Owingeh, NM | 6.1 mi |
| 87567 | Santa Cruz, NM | 7.2 mi |
| 87523 | Cordova, NM | 7.8 mi |
| 87527 | Dixon, NM | 7.9 mi |
| 87578 | Truchas, NM | 10.5 mi |
| 87522 | Chimayo, NM | 10.6 mi |
| 87532 | Espanola, NM | 10.9 mi |
| 87549 | Ojo Caliente, NM | 11.1 mi |
| 87531 | Embudo, NM | 13.1 mi |
| 87548 | Medanales, NM | 13.7 mi |
| 87521 | Chamisal, NM | 14.5 mi |
Questions about 87511
What is the ZIP+4 code for 87511?
87511 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 87511, you need to look up a specific street address to get them.
What city is 87511?
87511 is assigned to Alcalde, 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.
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