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 — RANKINGS/NJ/SMALLEST-AREA

Smallest ZIP Codes in New Jersey by Land Area

What this measures. Land area of the Census tabulation area, smallest first. These are almost always dense urban ZIP codes covering a few city blocks. Source: Census Gazetteer, data release 2026-10-12.

# ZIP City County Land area
1 08217 Elwood Atlantic 0.02 sq mi
2 08245 South Dennis Cape May 0.05 sq mi
3 07311 Jersey City Hudson 0.05 sq mi
4 07846 Johnsonburg Warren 0.08 sq mi
5 08073 Rancocas Burlington 0.09 sq mi
6 07878 Mount Tabor Morris 0.09 sq mi
7 07831 Changewater Warren 0.12 sq mi
8 07939 Lyons Somerset 0.14 sq mi
9 08544 Princeton Mercer 0.17 sq mi
10 07961 Convent Station Morris 0.17 sq mi
11 08890 Zarephath Somerset 0.18 sq mi
12 08032 Grenloch Gloucester 0.21 sq mi
13 07844 Hope Warren 0.23 sq mi
14 08011 Birmingham Burlington 0.23 sq mi
15 08821 Flagtown Somerset 0.24 sq mi
16 07505 Paterson Passaic 0.25 sq mi
17 07842 Hibernia Morris 0.25 sq mi
18 07970 Mount Freedom Morris 0.27 sq mi
19 08352 Rosenhayn Cumberland 0.27 sq mi
20 08212 Cape May Point Cape May 0.30 sq mi
21 07833 Delaware Warren 0.31 sq mi
22 08608 Trenton Mercer 0.32 sq mi
23 07088 Vauxhall Union 0.32 sq mi
24 08246 South Seaville Cape May 0.32 sq mi
25 07926 Brookside Morris 0.35 sq mi
26 08072 Quinton Salem 0.36 sq mi
27 07756 Ocean Grove Monmouth 0.37 sq mi
28 08542 Princeton Mercer 0.39 sq mi
29 08320 Fairton Cumberland 0.42 sq mi
30 07717 Avon By The Sea Monmouth 0.43 sq mi
31 08740 Ocean Gate Ocean 0.45 sq mi
32 08329 Mauricetown Cumberland 0.50 sq mi
33 08248 Strathmere Cape May 0.53 sq mi
34 08039 Harrisonville Gloucester 0.54 sq mi
35 08732 Island Heights Ocean 0.54 sq mi
36 08074 Richwood Gloucester 0.56 sq mi
37 07513 Paterson Passaic 0.57 sq mi
38 07720 Bradley Beach Monmouth 0.61 sq mi
39 08553 Rocky Hill Somerset 0.61 sq mi
40 07310 Jersey City Hudson 0.61 sq mi
41 08880 South Bound Brook Somerset 0.65 sq mi
42 07711 Allenhurst Monmouth 0.65 sq mi
43 07027 Garwood Union 0.65 sq mi
44 07703 Fort Monmouth Monmouth 0.68 sq mi
45 07606 South Hackensack Bergen 0.73 sq mi
46 07603 Bogota Bergen 0.76 sq mi
47 07524 Paterson Passaic 0.76 sq mi
48 08629 Trenton Mercer 0.79 sq mi
49 07086 Weehawken Hudson 0.79 sq mi
50 08887 Three Bridges Hunterdon 0.81 sq mi

Showing the top 50 of 598 ZIP codes in New Jersey that have this figure and meet the threshold above. 08217 ranks 1st at 0.02 sq mi, against 0.81 sq mi in 50th place.

Other rankings for New Jersey

Cite this page

zipcodes.pro. “Smallest ZIP Codes in New Jersey by Land Area.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/nj/smallest-area

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