ZIP Code 88310 — Alamogordo, NM
88310 is a standard (street delivery) ZIP code serving Alamogordo, New Mexico, in Otero 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 88310 at a glance
| ZIP code | 88310 |
|---|---|
| Primary city | Alamogordo |
| State | New Mexico (NM) |
| County | Otero FIPS 35035 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Denver |
| Population | 36,983 |
| Coordinates | 32.718090, -106.072310 |
How ZIP+4 works in 88310
The four digits after the hyphen encode a delivery segment inside 88310. 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 88310 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.
Other ZIP codes in Alamogordo
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 88310.
| ZIP | City | Distance |
|---|---|---|
| 88311 | Alamogordo, NM | 7.8 mi |
| 88330 | Holloman Air Force Base, NM | 10.6 mi |
| 88325 | High Rolls Mountain Park, NM | 15.4 mi |
| 88349 | Sunspot, NM | 16.5 mi |
| 88337 | La Luz, NM | 21.6 mi |
| 88342 | Orogrande, NM | 22.8 mi |
| 88350 | Timberon, NM | 24.3 mi |
| 88347 | Sacramento, NM | 24.7 mi |
| 88317 | Cloudcroft, NM | 25.1 mi |
| 88314 | Bent, NM | 29 mi |
| 88002 | White Sands Missile Range, NM | 32.2 mi |
| 88352 | Tularosa, NM | 32.6 mi |
Questions about 88310
What is the ZIP+4 code for 88310?
88310 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 88310, you need to look up a specific street address to get them.
What city is 88310?
88310 is assigned to Alamogordo, New Mexico, in Otero 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.