ZIP Code 87320 — Mexican Springs, NM
87320 is a standard (street delivery) ZIP code serving Mexican Springs, New Mexico, in McKinley 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 87320 at a glance
| ZIP code | 87320 |
|---|---|
| Primary city | Mexican Springs |
| State | New Mexico (NM) |
| County | McKinley FIPS 35031 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 597 |
| Coordinates | 35.807620, -108.871360 |
How ZIP+4 works in 87320
The four digits after the hyphen encode a delivery segment inside 87320. 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 87320 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 87320.
| ZIP | City | Distance |
|---|---|---|
| 86515 | Window Rock, AZ | 9.8 mi |
| 87375 | Yatahey, NM | 11 mi |
| 87310 | Brimhall, NM | 15.5 mi |
| 86504 | Fort Defiance, AZ | 15.5 mi |
| 87317 | Gamerco, NM | 17 mi |
| 87328 | Navajo, NM | 17.6 mi |
| 87325 | Tohatchi, NM | 19.6 mi |
| 87301 | Gallup, NM | 20.6 mi |
| 87319 | Mentmore, NM | 23.2 mi |
| 86511 | Saint Michaels, AZ | 24.1 mi |
| 87364 | Sheep Springs, NM | 24.4 mi |
| 87311 | Church Rock, NM | 25 mi |
Questions about 87320
What is the ZIP+4 code for 87320?
87320 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 87320, you need to look up a specific street address to get them.
What city is 87320?
87320 is assigned to Mexican Springs, New Mexico, in McKinley 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.