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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/81135

81135

ZIP 81135 is Homelake, Colorado, in Rio Grande County; area code 719; Mountain time.

Type
No street area
Time zone
America/Denver
County
Rio Grande
Metro area
none
Coordinates
37.5756, -106.0970

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 81144, whose figures describe that area — not this ZIP code.

☼ Live from 81135 — Homelake, CO

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Where 81135 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 81135
  • 🔢 Type 81135 into a pocket calculator and turn it upside down: SEIIB — not quite a word, sorry.
  • ➕ As a number, 81,135 = 3 × 3 × 3 × 5 × 601. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011110011101111
  • 🏠 Its numerical neighbours: 81133 (Fort Garland, CO, 43 mi away) and 81136 (Hooper, CO, 18 mi away).
  • 🔄 Backwards, 81135 becomes 53118 — and that is a real ZIP code: Dousman, WI, 998 miles away.
  • 👥 22 other ZIP codes are made of exactly the same digits (11358, 11385, 11853, 13158, 13815, 13851, …). The farthest-flung twin is 11853 in Jericho, NY, 1,748 miles away.
  • 🧭 Farther south than 61% of all ZIP codes, and farther west than 84%.
  • 🎯434 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 81135 and you would come out at 37.58°S, 73.90°E — 834 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 46m of daylight. Shortest: 9h 34m.
🌙 The sky over 81135 today
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Source: USGS.

Land area

ZIP codes near 81135

ZIPCityDistance
81144 Monte Vista, CO 2.8 mi
81102 Alamosa, CO 13.7 mi
81101 Alamosa, CO 15.3 mi
81125 Center, CO 16.9 mi
81136 Hooper, CO 18.4 mi
81140 La Jara, CO 19.4 mi
81132 Del Norte, CO 19.9 mi
81124 Capulin, CO 20.1 mi
81146 Mosca, CO 24.0 mi
81148 Romeo, CO 28.6 mi

Find every ZIP code within 10 miles of 81135 →

Questions about this ZIP code

Where is ZIP code 81135?

81135 is in Homelake, Colorado, in Rio Grande County. Its published point location is 37.5756, -106.0970.

What county is 81135 in?

81135 lies in Rio Grande County.

What area code is 81135?

Homelake uses area code 719, from NANPA's telephone records.

What time zone is 81135 in?

81135 uses America/Denver.

What ZIP codes are near 81135?

The closest are 81144 (2.8 mi), 81102 (13.7 mi), 81101 (15.3 mi), 81125 (16.9 mi) and 81136 (18.4 mi).

Is 81135 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. “81135 ZIP Code — Homelake, Colorado (Rio Grande County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/81135

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