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zipcodes.pro — ZIP/27577

27577

ZIP 27577 is Smithfield, North Carolina, in Johnston County; area codes 919 and 984; Eastern time.

Type
Standard
Time zone
America/New_York
County
Johnston
Metro area
Raleigh-Cary, NC
Population
28,354
Coordinates
35.4919, -78.3446
☼ Live from 27577 — Smithfield, NC

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Where 27577 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 27577
  • 🔢 Type 27577 into a pocket calculator and turn it upside down: LLSLZ — not quite a word, sorry.
  • ➕ As a number, 27,577 = 11 × 23 × 109. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 110101110111001
  • 🏠 Its numerical neighbours: 27576 (Selma, NC, 8 mi away) and 27581 (Stem, NC, 54 mi away).
  • 🔄 Backwards, 27577 becomes 77572 — and that is a real ZIP code: La Porte, TX, 1,049 miles away.
  • 👥 11 other ZIP codes are made of exactly the same digits (25777, 52777, 57772, 72577, 72757, 75277, …). The farthest-flung twin is 57772 in Porcupine, SD, 1,396 miles away.
  • 🧭 Farther south than 71% of all ZIP codes, and farther east than 78%.
  • 🎯1,144 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 27577 and you would come out at 35.49°S, 101.66°E — 851 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 33m of daylight. Shortest: 9h 45m.
  • 📏 At 103.7 square miles of land, 27577 is bigger than 79% of ZIP codes — room for about 79 Central Parks.
🌙 The sky over 27577 today
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🌋 Shake report
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Source: USGS.

People and housing

Population28,354This ZIP28,354
Households10,297This ZIP10,297
Housing units11,159This ZIP11,159
Median age41.3This ZIP41.3North Carolina39.1US 38.9
Median household income$62,758This ZIP$62,758North Carolina$72,388US $80,734
Median home value$260,300This ZIP$260,300North Carolina$288,900US $332,700
Median gross rent$837This ZIP$837North Carolina$1,228US $1,413
Bachelor's degree or higher20.2%This ZIP20.2%
Mean commute27.0 minThis ZIP27.0 min
Population density273.4 / sq miThis ZIP273.4 / sq mi

Business and tax activity

Business establishments829This ZIP829
Employees11,205This ZIP11,205
Annual payroll$444,051,000This ZIP$444,051,000
Tax returns filed11,230This ZIP11,230
Total adjusted gross income$767,353,000This ZIP$767,353,000

Land area

Land area103.72 sq miThis ZIP103.72 sq mi
Water area0.50 sq miThis ZIP0.50 sq mi

Other place names in 27577

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

ZIP codes near 27577

ZIPCityDistance
27568 Pine Level, NC 5.9 mi
27593 Wilsons Mills, NC 6.6 mi
27524 Four Oaks, NC 7.2 mi
27576 Selma, NC 7.5 mi
27555 Micro, NC 9.3 mi
27569 Princeton, NC 10.6 mi
27520 Clayton, NC 11.1 mi
27527 Clayton, NC 11.4 mi
27504 Benson, NC 11.6 mi
27528 Clayton, NC 13.1 mi

Find every ZIP code within 10 miles of 27577 →

Questions about this ZIP code

Where is ZIP code 27577?

27577 is in Smithfield, North Carolina, in Johnston County, part of the Raleigh-Cary, NC metropolitan area. Its published point location is 35.4919, -78.3446.

What county is 27577 in?

27577 lies in Johnston County.

What area code is 27577?

Smithfield uses area codes 919 and 984, from NANPA's telephone records.

What time zone is 27577 in?

27577 uses America/New_York.

How many people live in 27577?

About 28,354 people live in ZIP code 27577, in 10,297 households, at 273.4 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 27577?

$62,758 a year, against $72,388 across North Carolina.

What ZIP codes are near 27577?

The closest are 27568 (5.9 mi), 27593 (6.6 mi), 27524 (7.2 mi), 27576 (7.5 mi) and 27555 (9.3 mi).

Is 27577 a PO Box ZIP code?

27577 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “27577 ZIP Code — Smithfield, North Carolina (Johnston County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/27577

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