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 — PREFIX/065

ZIP codes starting with 065

ZIP codes
33
States
CT
Largest city
West Haven, CT
Population
292,505

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 065xx

ZIP codes starting with 065
ZIP City Type Population Median income Median home
06501 New Haven , CT No street area — — —
06502 New Haven , CT No street area — — —
06503 New Haven , CT No street area — — —
06504 New Haven , CT No street area — — —
06505 New Haven , CT No street area — — —
06506 New Haven , CT No street area — — —
06507 New Haven , CT No street area — — —
06508 New Haven , CT No street area — — —
06509 New Haven , CT No street area — — —
06510 New Haven , CT Standard 4,584 $58,913 $651,800
06511 New Haven , CT Standard 54,730 $59,969 $353,000
06512 New Haven , CT Standard 28,830 $96,146 $289,100
06513 New Haven , CT Standard 38,888 $48,500 $235,500
06514 Hamden , CT Standard 26,803 $88,900 $270,800
06515 New Haven , CT Standard 19,006 $73,709 $328,900
06516 West Haven , CT Standard 55,351 $74,382 $291,700
06517 Hamden , CT Standard 14,221 $104,550 $339,400
06518 Hamden , CT Standard 20,126 $106,692 $325,300
06519 New Haven , CT Standard 15,605 $49,619 $316,700
06520 New Haven , CT No street area — — —
06521 New Haven , CT No street area — — —
06524 Bethany , CT Standard 5,288 $166,236 $418,000
06525 New Haven , CT Standard 9,073 $188,750 $588,100
06530 New Haven , CT No street area — — —
06531 New Haven , CT No street area — — —
06532 New Haven , CT No street area — — —
06533 New Haven , CT No street area — — —
06534 New Haven , CT No street area — — —
06535 New Haven , CT No street area — — —
06536 New Haven , CT No street area — — —
06537 New Haven , CT No street area — — —
06538 New Haven , CT No street area — — —
06540 New Haven , CT No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 065.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/065

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