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/06138

06138

ZIP 06138 is in East Hartford, Connecticut, in Hartford County; area codes 860 and 959; Eastern time. East Hartford has 4 ZIP codes; the others are 06108, 06118 and 06128.

Type
No street area
Time zone
America/New_York
County
Hartford
Metro area
none
Coordinates
41.7918, -72.7188

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 06117, whose figures describe that area — not this ZIP code.

☼ Live from 06138 — East Hartford, CT

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 06138 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 06138
  • 🔢 Type 06138 into a pocket calculator and turn it upside down: BEIgO — not quite a word, sorry.
  • ➕ As a number, 6,138 = 2 × 3 × 3 × 11 × 31. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011111111010
  • 🏠 Its numerical neighbours: 06137 (West Hartford, CT, 0 mi away) and 06140 (Hartford, CT, 0 mi away).
  • 🔄 Backwards, 06138 becomes 83160, which is not a ZIP code at all.
  • 👥 58 other ZIP codes are made of exactly the same digits (01368, 01863, 03816, 03861, 06183, 06813, …). The farthest-flung twin is 83610 in Cambridge, ID, 2,199 miles away.
  • 🧭 Farther north than 73% of all ZIP codes, and farther east than 93%.
  • 🎯1,354 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 06138 and you would come out at 41.79°S, 107.28°E — 828 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 08m.
🌙 The sky over 06138 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 06138

ZIPCityDistance
06030 Farmington, CT 0.0 mi
06034 Farmington, CT 0.0 mi
06102 Hartford, CT 0.0 mi
06104 Hartford, CT 0.0 mi
06127 West Hartford, CT 0.0 mi
06128 East Hartford, CT 0.0 mi
06129 Wethersfield, CT 0.0 mi
06131 Newington, CT 0.0 mi
06133 West Hartford, CT 0.0 mi
06137 West Hartford, CT 0.0 mi

Find every ZIP code within 10 miles of 06138 →

Questions about this ZIP code

Where is ZIP code 06138?

06138 is in East Hartford, Connecticut, in Hartford County. Its published point location is 41.7918, -72.7188.

What county is 06138 in?

06138 lies in Hartford County.

What area code is 06138?

East Hartford uses area codes 860 and 959, from NANPA's telephone records.

What time zone is 06138 in?

06138 uses America/New_York.

What ZIP codes are near 06138?

The closest are 06030 (0 mi), 06034 (0 mi), 06102 (0 mi), 06104 (0 mi) and 06127 (0 mi).

Is 06138 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.

Download or cite

Cite this page

zipcodes.pro. “06138 ZIP Code — East Hartford, Connecticut (Hartford County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06138

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/06138.json

Underlying data is public domain or openly licensed — sources, vintages and licences.