45688
ZIP 45688 is Waterloo, Ohio, mostly in Lawrence County; area code 740; Eastern time.
- Type
- Standard
- Time zone
- America/New_York
- County
- Lawrence +1 more
- Metro area
- Huntington-Ashland, WV-KY-OH
- Population
- 210
- Coordinates
- 38.7311, -82.5432
Weather right now
Asking the National Weather Service…
Where 45688 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 45688 into a pocket calculator and turn it upside down: BBgSh — not quite a word, sorry.
- ➕ As a number, 45,688 = 2 × 2 × 2 × 5711. Its digits add up to 31, a total 799 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1011001001111000 - 🏠 Its numerical neighbours: 45687 (Wakefield, OH, 31 mi away) and 45690 (Waverly, OH, 39 mi away).
- 🔄 Backwards, 45688 becomes 88654, which is not a ZIP code at all.
- 👥 15 other ZIP codes are made of exactly the same digits (45868, 45886, 46858, 46885, 48658, 48856, …). The farthest-flung twin is 85648 in Rio Rico, AZ, 1,676 miles away.
- 🧭 Farther south than 53% of all ZIP codes, and farther east than 64%.
- 🎯860 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 45688 and you would come out at 38.73°S, 97.46°E — 1,135 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
- 📏 At 34.0 square miles of land, 45688 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 | 210This ZIP210 |
|---|---|
| Households | 77This ZIP77 |
| Housing units | 137This ZIP137 |
| Median age | 32.8This ZIP32.8Ohio39.7US 38.9 |
| Median home value | $52,700This ZIP$52,700Ohio$214,800US $332,700 |
| Bachelor's degree or higher | 8.4%This ZIP8.4% |
| Mean commute | 44.8 minThis ZIP44.8 min |
| Population density | 6.2 / sq miThis ZIP6.2 / sq mi |
Business and tax activity
| Tax returns filed | 160This ZIP160 |
|---|---|
| Total adjusted gross income | $7,503,000This ZIP$7,503,000 |
Land area
| Land area | 34.03 sq miThis ZIP34.03 sq mi |
|---|---|
| Water area | 0.10 sq miThis ZIP0.10 sq mi |
Counties 45688 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Lawrence County | 97.6% |
| Gallia County | 2.4% |
ZIP codes near 45688
| ZIP | City | Distance |
|---|---|---|
45658 | Patriot, OH | 7.4 mi |
45659 | Pedro, OH | 7.5 mi |
45682 | South Webster, OH | 9.7 mi |
45696 | Willow Wood, OH | 10.2 mi |
45656 | Oak Hill, OH | 10.4 mi |
45645 | Kitts Hill, OH | 11.4 mi |
45678 | Scottown, OH | 12.1 mi |
45677 | Scioto Furnace, OH | 12.3 mi |
45694 | Wheelersburg, OH | 12.8 mi |
45674 | Rio Grande, OH | 13.4 mi |
Find every ZIP code within 10 miles of 45688 →
Questions about this ZIP code
Where is ZIP code 45688?
45688 is in Waterloo, Ohio, in Lawrence County, part of the Huntington-Ashland, WV-KY-OH metropolitan area. Its published point location is 38.7311, -82.5432.
What county is 45688 in?
45688 spans 2 counties: Lawrence County and Gallia County. Most of it falls in Lawrence 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 45688?
Waterloo uses area code 740, from NANPA's telephone records.
What time zone is 45688 in?
45688 uses America/New_York.
How many people live in 45688?
About 210 people live in ZIP code 45688, in 77 households, at 6.2 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 45688?
The closest are 45658 (7.4 mi), 45659 (7.5 mi), 45682 (9.7 mi), 45696 (10.2 mi) and 45656 (10.4 mi).
Is 45688 a PO Box ZIP code?
45688 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “45688 ZIP Code — Waterloo, Ohio (Lawrence County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45688
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/45688.json Underlying data is public domain or openly licensed — sources, vintages and licences.