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/78502

78502

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

Type
No street area
Time zone
America/Chicago
County
Hidalgo
Coordinates
26.2567, -98.1989

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 78539, whose figures describe that area — not this ZIP code.

☼ Live from 78502 — Mcallen, TX

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Local time: —

Where 78502 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 78502
  • 🔢 Type 78502 into a pocket calculator and turn it upside down: ZOSBL — not quite a word, sorry.
  • ➕ As a number, 78,502 = 2 × 39251. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001010100110
  • 🏠 Its numerical neighbours: 78501 (Mcallen, TX, 4 mi away) and 78503 (Mcallen, TX, 7 mi away).
  • 🔄 Backwards, 78502 becomes 20587, which is not a ZIP code at all.
  • 👥 56 other ZIP codes are made of exactly the same digits (02857, 02875, 05827, 05872, 07825, 07852, …). The farthest-flung twin is 05872 in West Charleston, VT, 1,938 miles away.
  • 🧭 Farther south than 98% of all ZIP codes, and farther west than 77%.
  • 🎯938 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78502 and you would come out at 26.26°S, 81.80°E — 1,379 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 47m of daylight. Shortest: 10h 29m.
🌙 The sky over 78502 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments46This ZIP46
Employees753This ZIP753
Annual payroll$41,927,000This ZIP$41,927,000

Land area

ZIP codes near 78502

ZIPCityDistance
78539 Edinburg, TX 1.9 mi
78504 Mcallen, TX 2.8 mi
78501 Mcallen, TX 3.8 mi
78505 Mcallen, TX 4.2 mi
78577 Pharr, TX 6.5 mi
78573 Mission, TX 6.8 mi
78503 Mcallen, TX 7.2 mi
78589 San Juan, TX 7.7 mi
78516 Alamo, TX 9.1 mi
78537 Donna, TX 10.5 mi

Find every ZIP code within 10 miles of 78502 →

Questions about this ZIP code

Where is ZIP code 78502?

78502 is in Mcallen, Texas, in Hidalgo County, part of the McAllen-Edinburg-Mission, TX metropolitan area. Its published point location is 26.2567, -98.1989.

What county is 78502 in?

78502 lies in Hidalgo County.

What area code is 78502?

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

What time zone is 78502 in?

78502 uses America/Chicago.

What ZIP codes are near 78502?

The closest are 78539 (1.9 mi), 78504 (2.8 mi), 78501 (3.8 mi), 78505 (4.2 mi) and 78577 (6.5 mi).

Is 78502 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. “78502 ZIP Code — Mcallen, Texas (Hidalgo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78502

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curl https://zipcodes.pro/zip/78502.json

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