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/78505

78505

ZIP 78505 is in Mcallen, Texas, in Hidalgo County; area code 956; Central time. Mcallen has 5 ZIP codes; the others are 78501, 78502, 78503 and 78504.

Type
No street area
Time zone
America/Chicago
County
Hidalgo
Coordinates
26.2034, -98.2300

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 78501, whose figures describe that area — not this ZIP code.

☼ Live from 78505 — Mcallen, TX

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Local time: —

Where 78505 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 78505
  • 🔢 Type 78505 into a pocket calculator and turn it upside down: SOSBL — not quite a word, sorry.
  • ➕ As a number, 78,505 = 5 × 7 × 2243. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001010101001
  • 🏠 Its numerical neighbours: 78504 (Mcallen, TX, 5 mi away) and 78516 (Alamo, TX, 8 mi away).
  • 🔄 Backwards, 78505 becomes 50587, which is not a ZIP code at all.
  • 👥 33 other ZIP codes are made of exactly the same digits (05758, 05857, 05875, 07855, 08557, 08755, …). The farthest-flung twin is 05857 in Newport Center, VT, 1,933 miles away.
  • 🧭 Farther south than 98% of all ZIP codes, and farther west than 77%.
  • 🎯942 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78505 and you would come out at 26.20°S, 81.77°E — 1,378 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 47m of daylight. Shortest: 10h 30m.
🌙 The sky over 78505 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments25This ZIP25
Employees627This ZIP627
Annual payroll$35,445,000This ZIP$35,445,000

Land area

ZIP codes near 78505

ZIPCityDistance
78501 Mcallen, TX 1.0 mi
78503 Mcallen, TX 3.1 mi
78577 Pharr, TX 3.6 mi
78502 Mcallen, TX 4.2 mi
78504 Mcallen, TX 5.1 mi
78589 San Juan, TX 5.7 mi
78539 Edinburg, TX 6.1 mi
78557 Hidalgo, TX 6.7 mi
78573 Mission, TX 7.7 mi
78516 Alamo, TX 7.9 mi

Find every ZIP code within 10 miles of 78505 →

Questions about this ZIP code

Where is ZIP code 78505?

78505 is in Mcallen, Texas, in Hidalgo County, part of the McAllen-Edinburg-Mission, TX metropolitan area. Its published point location is 26.2034, -98.2300.

What county is 78505 in?

78505 lies in Hidalgo County.

What area code is 78505?

Mcallen uses area code 956, from NANPA's telephone records.

What time zone is 78505 in?

78505 uses America/Chicago.

What ZIP codes are near 78505?

The closest are 78501 (1 mi), 78503 (3.1 mi), 78577 (3.6 mi), 78502 (4.2 mi) and 78504 (5.1 mi).

Is 78505 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. “78505 ZIP Code — Mcallen, Texas (Hidalgo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78505

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/78505.json

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