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 — CITY/NC/SMITHFIELD

Smithfield ZIP code, North Carolina

The ZIP code for Smithfield, NC is 27577, and its area codes are 919 and 984.

USPS city name
1 ZIP code
Population
12,116
Area codes
919, 984

Smithfield in numbers

About 12,116 people live in Smithfield, in 4,951 households. The median household income is $43,270 a year, 40% below the North Carolina median of $72,388 (US: $80,734). The median owner-occupied home is valued at $242,500 (16% below the North Carolina median), and median gross rent is $658 a month. The median age is 44.9; 26.7% of adults 25 and over hold a bachelor's degree or higher (35.7% across North Carolina); the average commute takes 24 minutes.

Population12,116Smithfield12,116
Households4,951Smithfield4,951
Median age44.9Smithfield44.9North Carolina39.1US 38.9
Median household income$43,270Smithfield$43,270North Carolina$72,388US $80,734
Median home value$242,500Smithfield$242,500North Carolina$288,900US $332,700
Median gross rent$658Smithfield$658North Carolina$1,228US $1,413
Bachelor's degree or higher26.7%Smithfield26.7%North Carolina35.7%US 35.7%
Mean commute24.1 minSmithfield24.1 minNorth Carolina25.1 minUS 26.4 min
Population density954 / sq miSmithfield954 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Smithfield town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Smithfield

ZIP codes with the USPS city name Smithfield
ZIP City Type Population Median income Median home
27577 Smithfield , NC Standard 28,354 $62,758 $260,300

Map of Smithfield ZIP codes

27577

The ZIP codes of Smithfield, NC, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Smithfield

The nearest larger towns are Clayton (29,320 people, 11 mi), Wendell (13,064 people, 19 mi) and Garner (34,473 people, 19 mi).

Towns near Smithfield
TownPopulationDistance
Selma 6,817 3.6 mi
Wilson's Mills 2,753 4.3 mi
Clayton 29,320 10.7 mi
Archer Lodge 5,186 11.0 mi
Benson 4,282 14.2 mi
Wendell 13,064 18.6 mi
Garner 34,473 18.7 mi
Knightdale 20,214 20.2 mi
Dunn 8,559 20.7 mi
Zebulon 8,711 21.2 mi
Mar-Mac 2,877 21.3 mi
Angier 6,241 21.8 mi
Erwin 4,687 22.8 mi
Buies Creek 3,746 23.4 mi

More nearby: every ZIP code in Johnston County · North Carolina ZIP codes

Cite this page

zipcodes.pro. “Smithfield, NC ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nc/smithfield

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