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zipcodes.pro — ZIP/78598

78598

ZIP 78598 is Port Mansfield, Texas, in Willacy County; area code 956; Central time.

Type
Standard
Time zone
America/Chicago
County
Willacy
Metro area
Raymondville, TX
Population
245
Coordinates
26.5420, -97.4199
☼ Live from 78598 — Port Mansfield, TX

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Local time: —

Where 78598 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 78598
  • 🔢 Type 78598 into a pocket calculator and turn it upside down: BGSBL — not quite a word, sorry.
  • ➕ As a number, 78,598 = 2 × 13 × 3023. Its digits add up to 37, a total 89 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10011001100000110
  • 🏠 Its numerical neighbours: 78597 (South Padre Island, TX, 21 mi away) and 78599 (Weslaco, TX, 42 mi away).
  • 🔄 Backwards, 78598 becomes 89587, which is not a ZIP code at all.
  • 👥 6 other ZIP codes are made of exactly the same digits (58789, 78589, 88579, 97885, 98587, 98857). The farthest-flung twin is 98587 in Taholah, WA, 2,040 miles away.
  • 🧭 Farther south than 97% of all ZIP codes, and farther west than 75%.
  • 🎯920 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 78598 and you would come out at 26.54°S, 82.58°E — 1,358 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 13h 48m of daylight. Shortest: 10h 28m.
  • 📏 At 6.3 square miles of land, 78598 is bigger than 21% of ZIP codes — room for about 4.8 Central Parks.
🌙 The sky over 78598 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population245This ZIP245
Households126This ZIP126
Housing units340This ZIP340
Median age60.8This ZIP60.8Texas35.6US 38.9
Bachelor's degree or higher52.8%This ZIP52.8%
Mean commute15.7 minThis ZIP15.7 min
Population density38.6 / sq miThis ZIP38.6 / sq mi

Business and tax activity

Business establishments13This ZIP13
Employees36This ZIP36
Annual payroll$951,000This ZIP$951,000
Tax returns filed160This ZIP160
Total adjusted gross income$10,553,000This ZIP$10,553,000

Land area

Land area6.34 sq miThis ZIP6.34 sq mi
Water area65.68 sq miThis ZIP65.68 sq mi

Other place names in 78598

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

ZIP codes near 78598

ZIPCityDistance
78590 San Perlita, TX 13.6 mi
78583 Rio Hondo, TX 18.0 mi
78580 Raymondville, TX 20.5 mi
78597 South Padre Island, TX 20.6 mi
78569 Lyford, TX 23.1 mi
78550 Harlingen, TX 24.9 mi
78568 Lozano, TX 25.4 mi
78594 Sebastian, TX 27.5 mi
78551 Harlingen, TX 27.7 mi
78535 Combes, TX 27.9 mi

Find every ZIP code within 10 miles of 78598 →

Questions about this ZIP code

Where is ZIP code 78598?

78598 is in Port Mansfield, Texas, in Willacy County, part of the Raymondville, TX micropolitan area. Its published point location is 26.5420, -97.4199.

What county is 78598 in?

78598 lies in Willacy County.

What area code is 78598?

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

What time zone is 78598 in?

78598 uses America/Chicago.

How many people live in 78598?

About 245 people live in ZIP code 78598, in 126 households, at 38.6 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 78598?

The closest are 78590 (13.6 mi), 78583 (18 mi), 78580 (20.5 mi), 78597 (20.6 mi) and 78569 (23.1 mi).

Is 78598 a PO Box ZIP code?

78598 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “78598 ZIP Code — Port Mansfield, Texas (Willacy County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/78598

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