ZIP Code 88434 — San Jon, NM
88434 is a standard (street delivery) ZIP code serving San Jon, New Mexico, in Quay 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 88434 at a glance
| ZIP code | 88434 |
|---|---|
| Primary city | San Jon |
| State | New Mexico (NM) |
| County | Quay FIPS 35037 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 218 |
| Coordinates | 35.123670, -103.340130 |
How ZIP+4 works in 88434
The four digits after the hyphen encode a delivery segment inside 88434. 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 88434 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 88434.
| ZIP | City | Distance |
|---|---|---|
| 88411 | Bard, NM | 12.6 mi |
| 88120 | Grady, NM | 15.9 mi |
| 88112 | Broadview, NM | 17.9 mi |
| 88401 | Tucumcari, NM | 26.6 mi |
| 88426 | Logan, NM | 28.6 mi |
| 79001 | Adrian, TX | 32.3 mi |
| 88427 | Mcalister, NM | 33.6 mi |
| 79035 | Friona, TX | 43.6 mi |
Questions about 88434
What is the ZIP+4 code for 88434?
88434 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 88434, you need to look up a specific street address to get them.
What city is 88434?
88434 is assigned to San Jon, New Mexico, in Quay 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.