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/PR/LARGEST-AREA

Largest ZIP Codes in Puerto Rico by Land Area

What this measures. Land area of the Census tabulation area, in square miles. Water is excluded. Source: Census Gazetteer, data release 2026-10-12.

# ZIP City County Land area
1 00641 Utuado Utuado 84.11 sq mi
2 00685 San Sebastian San Sebastián 78.69 sq mi
3 00769 Coamo Coamo 77.08 sq mi
4 00612 Arecibo Arecibo 76.25 sq mi
5 00638 Ciales Ciales 71.40 sq mi
6 00784 Guayama Guayama 66.74 sq mi
7 00601 Adjuntas Adjuntas 64.42 sq mi
8 00680 Mayaguez Mayagüez 64.31 sq mi
9 00669 Lares Lares 64.12 sq mi
10 00698 Yauco Yauco 62.66 sq mi
11 00745 Rio Grande Río Grande 60.75 sq mi
12 00751 Salinas Salinas 60.73 sq mi
13 00667 Lajas Lajas 60.21 sq mi
14 00795 Juana Diaz Juana Díaz 59.78 sq mi
15 00720 Orocovis Orocovis 56.14 sq mi
16 00767 Yabucoa Yabucoa 55.18 sq mi
17 00736 Cayey Cayey 54.90 sq mi
18 00754 San Lorenzo San Lorenzo 49.99 sq mi
19 00683 San German San Germán 49.29 sq mi
20 00731 Ponce Ponce 48.95 sq mi
21 00676 Moca Moca 48.85 sq mi
22 00765 Vieques Vieques 47.26 sq mi
23 00718 Naguabo Naguabo 47.21 sq mi
24 00624 Penuelas Peñuelas 47.00 sq mi
25 00664 Jayuya Jayuya 46.91 sq mi
26 00670 Las Marias Las Marías 46.51 sq mi
27 00627 Camuy Camuy 46.45 sq mi
28 00723 Patillas Patillas 46.01 sq mi
29 00693 Vega Baja Vega Baja 44.41 sq mi
30 00606 Maricao Maricao 44.33 sq mi
31 00674 Manati Manatí 43.45 sq mi
32 00791 Humacao Humacao 42.64 sq mi
33 00656 Guayanilla Guayanilla 42.14 sq mi
34 00783 Corozal Corozal 42.11 sq mi
35 00725 Caguas Caguas 41.36 sq mi
36 00662 Isabela Isabela 41.27 sq mi
37 00659 Hatillo Hatillo 41.02 sq mi
38 00623 Cabo Rojo Cabo Rojo 39.20 sq mi
39 00687 Morovis Morovis 38.87 sq mi
40 00766 Villalba Villalba 38.16 sq mi
41 00610 Anasco Añasco 37.12 sq mi
42 00729 Canovanas Canóvanas 35.75 sq mi
43 00637 Sabana Grande Sabana Grande 35.16 sq mi
44 00603 Aguadilla Aguadilla 34.36 sq mi
45 00794 Barranquitas Barranquitas 34.32 sq mi
46 00771 Las Piedras Las Piedras 33.60 sq mi
47 00688 Sabana Hoyos Arecibo 32.50 sq mi
48 00757 Santa Isabel Santa Isabel 32.45 sq mi
49 00650 Florida Florida 31.74 sq mi
50 00622 Boqueron Cabo Rojo 31.17 sq mi

Showing the top 50 of 132 ZIP codes in Puerto Rico that have this figure and meet the threshold above. 00641 ranks 1st at 84.11 sq mi, against 31.17 sq mi in 50th place.

Other rankings for Puerto Rico

Cite this page

zipcodes.pro. “Largest ZIP Codes in Puerto Rico by Land Area.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/rankings/pr/largest-area

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