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/MA/LYNNFIELD

Lynnfield ZIP code, Massachusetts

The ZIP code for Lynnfield, MA is 01940, and its area code is 781.

USPS city name
1 ZIP code
Population
13,064
Area code
781

Lynnfield in numbers

About 13,064 people live in Lynnfield, in 4,502 households. The median household income is $175,265 a year, 69% above the Massachusetts median of $103,960 (US: $80,734). The median owner-occupied home is valued at $917,600 (63% above the Massachusetts median), and median gross rent is $2,676 a month. The median age is 41.4; 62.7% of adults 25 and over hold a bachelor's degree or higher (47.3% across Massachusetts); the average commute takes 32 minutes.

Population13,064Lynnfield13,064
Households4,502Lynnfield4,502
Median age41.4Lynnfield41.4Massachusetts40.0US 38.9
Median household income$175,265Lynnfield$175,265Massachusetts$103,960US $80,734
Median home value$917,600Lynnfield$917,600Massachusetts$562,100US $332,700
Median gross rent$2,676Lynnfield$2,676Massachusetts$1,762US $1,413
Bachelor's degree or higher62.7%Lynnfield62.7%Massachusetts47.3%US 35.7%
Mean commute32.1 minLynnfield32.1 minMassachusetts29.1 minUS 26.4 min
Population density1,326 / sq miLynnfield1,326 / sq mi

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

ZIP codes addressed as Lynnfield

ZIP codes with the USPS city name Lynnfield
ZIP City Type Population Median income Median home
01940 Lynnfield , MA Standard 13,285 $173,214 $905,400

Map of Lynnfield ZIP codes

01940

The ZIP codes of Lynnfield, MA, 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 Lynnfield

The nearest larger towns are Wakefield (27,793 people, 2.4 mi), Reading (25,612 people, 3.4 mi) and Peabody (54,695 people, 3.5 mi).

Towns near Lynnfield
TownPopulationDistance
Wakefield 27,793 2.4 mi
Reading 25,612 3.4 mi
Peabody 54,695 3.5 mi
Saugus 28,773 4.7 mi
Stoneham 23,355 5.1 mi
Danvers 28,098 5.3 mi
Melrose 29,650 5.5 mi
Lynn 101,709 5.7 mi
Woburn 41,939 6.7 mi
Wilmington 23,336 6.8 mi
Malden 65,906 7.3 mi
Salem 44,795 7.5 mi
Winchester 23,406 7.8 mi
Revere 60,012 8.2 mi

More nearby: every ZIP code in Essex County · Massachusetts ZIP codes

Cite this page

zipcodes.pro. “Lynnfield, MA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ma/lynnfield

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