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/78577

78577

ZIP 78577 is Pharr, Texas, in Hidalgo County; area code 956; Central time.

Type
Standard
Time zone
America/Chicago
County
Hidalgo
Population
80,540
Coordinates
26.1634, -98.1939
☼ Live from 78577 — Pharr, TX

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 78577 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 78577
  • 🔢 Type 78577 into a pocket calculator and turn it upside down: LLSBL — not quite a word, sorry.
  • ➕ 78577 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 34, a total 322 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001011110001
  • 🏠 Its numerical neighbours: 78576 (Penitas, TX, 20 mi away) and 78578 (Port Isabel, TX, 56 mi away).
  • 🔄 Backwards, 78577 becomes 77587 — and that is a real ZIP code: South Houston, TX, 302 miles away.
  • 👥 8 other ZIP codes are made of exactly the same digits (57787, 75778, 77578, 77587, 77857, 77875, …). The farthest-flung twin is 57787 in Union Center, SD, 1,302 miles away.
  • 🧭 Farther south than 98% of all ZIP codes, and farther west than 77%.
  • 🎯944 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78577 and you would come out at 26.16°S, 81.81°E — 1,375 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.
  • 📏 At 26.0 square miles of land, 78577 is bigger than 43% of ZIP codes — room for about 20 Central Parks.
🌙 The sky over 78577 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population80,540This ZIP80,540
Households23,957This ZIP23,957
Housing units27,194This ZIP27,194
Median age29.7This ZIP29.7Texas35.6US 38.9
Median household income$52,770This ZIP$52,770Texas$78,476US $80,734
Median home value$122,100This ZIP$122,100Texas$283,800US $332,700
Median gross rent$1,034This ZIP$1,034Texas$1,403US $1,413
Bachelor's degree or higher18.8%This ZIP18.8%
Mean commute21.1 minThis ZIP21.1 min
Population density3,097.5 / sq miThis ZIP3,097.5 / sq mi

Business and tax activity

Business establishments1,316This ZIP1,316
Employees24,219This ZIP24,219
Annual payroll$894,317,000This ZIP$894,317,000
Tax returns filed31,760This ZIP31,760
Total adjusted gross income$1,311,362,000This ZIP$1,311,362,000

Land area

Land area26.00 sq miThis ZIP26.00 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 78577

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 78577

ZIPCityDistance
78589 San Juan, TX 2.3 mi
78503 Mcallen, TX 3.4 mi
78505 Mcallen, TX 3.6 mi
78501 Mcallen, TX 4.6 mi
78516 Alamo, TX 4.7 mi
78557 Hidalgo, TX 5.2 mi
78502 Mcallen, TX 6.5 mi
78539 Edinburg, TX 8.1 mi
78504 Mcallen, TX 8.3 mi
78537 Donna, TX 8.5 mi

Find every ZIP code within 10 miles of 78577 →

Questions about this ZIP code

Where is ZIP code 78577?

78577 is in Pharr, Texas, in Hidalgo County, part of the McAllen-Edinburg-Mission, TX metropolitan area. Its published point location is 26.1634, -98.1939.

What county is 78577 in?

78577 lies in Hidalgo County.

What area code is 78577?

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

What time zone is 78577 in?

78577 uses America/Chicago.

How many people live in 78577?

About 80,540 people live in ZIP code 78577, in 23,957 households, at 3,097.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 78577?

$52,770 a year, against $78,476 across Texas.

What ZIP codes are near 78577?

The closest are 78589 (2.3 mi), 78503 (3.4 mi), 78505 (3.6 mi), 78501 (4.6 mi) and 78516 (4.7 mi).

Is 78577 a PO Box ZIP code?

78577 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “78577 ZIP Code — Pharr, Texas (Hidalgo County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78577

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/78577.json

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