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Where 88431 is
Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.
- 🔢 Type 88431 into a pocket calculator and turn it upside down: IEhBB — not quite a word, sorry.
- ➕ As a number, 88,431 = 3 × 7 × 4211. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10101100101101111 - 🏠 Its numerical neighbours: 88430 (Nara Visa, NM, 71 mi away) and 88433 (Quay, NM, 38 mi away).
- 🔄 Backwards, 88431 becomes 13488 — and that is a real ZIP code: Westford, NY, 1,661 miles away.
- 👥 26 other ZIP codes are made of exactly the same digits (13488, 13848, 14838, 14883, 18348, 18438, …). The farthest-flung twin is 13488 in Westford, NY, 1,661 miles away.
- 🧭 Farther south than 73% of all ZIP codes, and farther west than 82%.
- 🎯448 miles southwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 88431 and you would come out at 35.21°S, 75.66°E — 1,015 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 32m of daylight. Shortest: 9h 47m.
- 📏 At 156.6 square miles of land, 88431 is bigger than 87% of ZIP codes — room for about 119 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 164This ZIP164 |
|---|---|
| Households | 24This ZIP24 |
| Housing units | 24This ZIP24 |
| Median age | 38.4This ZIP38.4New Mexico39.4US 38.9 |
| Bachelor's degree or higher | 0.0% |
| Population density | 1.0 / sq miThis ZIP1.0 / sq mi |
Land area
| Land area | 156.56 sq miThis ZIP156.56 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Counties 88431 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Guadalupe County | 57.6% |
| San Miguel County | 42.4% |
ZIP codes near 88431
| ZIP | City | Distance |
|---|---|---|
88421 | Garita, NM | 12.0 mi |
88439 | Trementina, NM | 19.6 mi |
88416 | Conchas Dam, NM | 19.7 mi |
88417 | Cuervo, NM | 20.1 mi |
88401 | Tucumcari, NM | 32.9 mi |
87746 | Solano, NM | 33.1 mi |
88435 | Santa Rosa, NM | 35.7 mi |
87724 | La Loma, NM | 36.7 mi |
88433 | Quay, NM | 37.6 mi |
87701 | Las Vegas, NM | 40.6 mi |
Find every ZIP code within 10 miles of 88431 →
Questions about this ZIP code
Where is ZIP code 88431?
88431 is in Newkirk, New Mexico, in Guadalupe County. Its published point location is 35.2125, -104.3368.
What county is 88431 in?
88431 spans 2 counties: Guadalupe County and San Miguel County. Most of it falls in Guadalupe County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 88431?
Newkirk uses area code 575, from NANPA's telephone records.
What time zone is 88431 in?
88431 uses America/Denver.
How many people live in 88431?
About 164 people live in ZIP code 88431, in 24 households, at 1.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What ZIP codes are near 88431?
The closest are 88421 (12 mi), 88439 (19.6 mi), 88416 (19.7 mi), 88417 (20.1 mi) and 88401 (32.9 mi).
Is 88431 a PO Box ZIP code?
88431 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “88431 ZIP Code — Newkirk, New Mexico (Guadalupe County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/88431
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/88431.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.