Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/45633

45633

ZIP 45633 is Hallsville, Ohio, in Ross County; area code 740; Eastern time.

Type
No street area
Time zone
America/New_York
County
Ross
Metro area
Chillicothe, OH
Coordinates
39.4656, -82.7479

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 43101, whose figures describe that area — not this ZIP code.

☼ Live from 45633 — Hallsville, OH

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Where 45633 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 45633
  • 🔢 Type 45633 into a pocket calculator and turn it upside down: EEgSh — not quite a word, sorry.
  • ➕ As a number, 45,633 = 3 × 7 × 41 × 53. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011001001000001
  • 🏠 Its numerical neighbours: 45631 (Gallipolis, OH, 51 mi away) and 45634 (Hamden, OH, 24 mi away).
  • 🔄 Backwards, 45633 becomes 33654, which is not a ZIP code at all.
  • 👥 24 other ZIP codes are made of exactly the same digits (33465, 33564, 34653, 35463, 35634, 35643, …). The farthest-flung twin is 33465 in Lake Worth, FL, 900 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 64%.
  • 🎯842 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45633 and you would come out at 39.47°S, 97.25°E — 1,163 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
🌙 The sky over 45633 today
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Source: USGS.

Land area

ZIP codes near 45633

ZIPCityDistance
43101 Adelphi, OH 0.1 mi
43135 Laurelville, OH 1.9 mi
45644 Kingston, OH 4.8 mi
43156 Tarlton, OH 6.3 mi
43152 South Bloomingville, OH 8.6 mi
43154 Stoutsville, OH 10.5 mi
43149 Rockbridge, OH 10.5 mi
45647 Londonderry, OH 11.4 mi
43102 Amanda, OH 12.1 mi
43113 Circleville, OH 14.2 mi

Find every ZIP code within 10 miles of 45633 →

Questions about this ZIP code

Where is ZIP code 45633?

45633 is in Hallsville, Ohio, in Ross County, part of the Chillicothe, OH micropolitan area. Its published point location is 39.4656, -82.7479.

What county is 45633 in?

45633 lies in Ross County.

What area code is 45633?

Hallsville uses area code 740, from NANPA's telephone records.

What time zone is 45633 in?

45633 uses America/New_York.

What ZIP codes are near 45633?

The closest are 43101 (0.1 mi), 43135 (1.9 mi), 45644 (4.8 mi), 43156 (6.3 mi) and 43152 (8.6 mi).

Is 45633 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “45633 ZIP Code — Hallsville, Ohio (Ross County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45633

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/45633.json

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