70401
ZIP 70401 is in Hammond, Louisiana, mostly in Tangipahoa Parish; area code 985; Central time. Hammond has 4 ZIP codes; the others are 70402, 70403 and 70404.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Tangipahoa +1 more
- Metro area
- Hammond, LA
- Population
- 21,221
- Coordinates
- 30.5336, -90.4554
Weather right now
Asking the National Weather Service…
Where 70401 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 70401 into a pocket calculator and turn it upside down: IOhOL — not quite a word, sorry.
- ➕ As a number, 70,401 = 3 × 31 × 757. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001001100000001 - 🏠 Its numerical neighbours: 70397 (Theriot, LA, 82 mi away) and 70402 (Hammond, LA, 1 mi away).
- 🔄 Backwards, 70401 becomes 10407, which is not a ZIP code at all.
- 👥 31 other ZIP codes are made of exactly the same digits (00714, 00741, 01074, 01470, 01704, 01740, …). The farthest-flung twin is 00741 in Punta Santiago, PR, 1,768 miles away.
- 🧭 Farther south than 91% of all ZIP codes, and farther west than 57%.
- 🎯788 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 70401 and you would come out at 30.53°S, 89.54°E — 1,352 miles from West Island, Cocos Islands, the nearest big city to that spot.
- ☀Longest day of the year: 14h 07m of daylight. Shortest: 10h 10m.
- 📏 At 34.7 square miles of land, 70401 is bigger than 49% of ZIP codes — room for about 26 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 21,221This ZIP21,221 |
|---|---|
| Households | 8,470This ZIP8,470 |
| Housing units | 10,542This ZIP10,542 |
| Median age | 29.9This ZIP29.9Louisiana38.0US 38.9 |
| Median household income | $50,653This ZIP$50,653Louisiana$60,756US $80,734 |
| Median home value | $211,000This ZIP$211,000Louisiana$216,500US $332,700 |
| Median gross rent | $1,021This ZIP$1,021Louisiana$1,064US $1,413 |
| Bachelor's degree or higher | 27.8%This ZIP27.8% |
| Mean commute | 23.1 minThis ZIP23.1 min |
| Population density | 611.6 / sq miThis ZIP611.6 / sq mi |
Business and tax activity
| Business establishments | 677This ZIP677 |
|---|---|
| Employees | 9,919This ZIP9,919 |
| Annual payroll | $410,670,000This ZIP$410,670,000 |
| Tax returns filed | 7,800This ZIP7,800 |
| Total adjusted gross income | $476,748,000This ZIP$476,748,000 |
Land area
| Land area | 34.70 sq miThis ZIP34.70 sq mi |
|---|---|
| Water area | 0.30 sq miThis ZIP0.30 sq mi |
Counties 70401 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Tangipahoa Parish | 100.0% |
| Livingston Parish | 0.0% |
Other place names in 70401
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 70401
| ZIP | City | Distance |
|---|---|---|
70402 | Hammond, LA | 1.4 mi |
70451 | Natalbany, LA | 1.9 mi |
70404 | Hammond, LA | 2.0 mi |
70466 | Tickfaw, LA | 3.6 mi |
70403 | Hammond, LA | 3.8 mi |
70455 | Robert, LA | 7.8 mi |
70711 | Albany, LA | 8.2 mi |
70443 | Independence, LA | 8.5 mi |
70446 | Loranger, LA | 9.1 mi |
70744 | Holden, LA | 12.7 mi |
Find every ZIP code within 10 miles of 70401 →
Questions about this ZIP code
Where is ZIP code 70401?
70401 is in Hammond, Louisiana, in Tangipahoa Parish, part of the Hammond, LA metropolitan area. Its published point location is 30.5336, -90.4554.
What county is 70401 in?
70401 spans 2 counties: Tangipahoa Parish and Livingston Parish. Most of it falls in Tangipahoa Parish, 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 70401?
Hammond uses area code 985, from NANPA's telephone records.
What time zone is 70401 in?
70401 uses America/Chicago.
How many people live in 70401?
About 21,221 people live in ZIP code 70401, in 8,470 households, at 611.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.
What is the median household income in 70401?
$50,653 a year, against $60,756 across Louisiana.
What ZIP codes are near 70401?
The closest are 70402 (1.4 mi), 70451 (1.9 mi), 70404 (2 mi), 70466 (3.6 mi) and 70403 (3.8 mi).
Is 70401 a PO Box ZIP code?
70401 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “70401 ZIP Code — Hammond, Louisiana (Tangipahoa Parish).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/70401
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/70401.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.