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/165

ZIP codes starting with 165

ZIP codes
26
States
PA
Largest city
Erie, PA
Population
179,701

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 165xx

ZIP codes starting with 165
ZIP City Type Population Median income Median home
16501 Erie , PA Standard 2,022 $16,394 —
16502 Erie , PA Standard 15,995 $38,566 $93,000
16503 Erie , PA Standard 15,753 $32,340 $64,600
16504 Erie , PA Standard 15,931 $56,622 $116,400
16505 Erie , PA Standard 15,270 $72,938 $211,700
16506 Erie , PA Standard 24,070 $81,060 $237,300
16507 Erie , PA Standard 8,597 $33,361 $66,400
16508 Erie , PA Standard 14,958 $56,391 $132,500
16509 Erie , PA Standard 28,595 $68,846 $220,500
16510 Erie , PA Standard 24,198 $66,450 $170,700
16511 Erie , PA Standard 11,776 $74,102 $172,300
16512 Erie , PA No street area — — —
16514 Erie , PA No street area — — —
16515 Erie , PA No street area — — —
16522 Erie , PA No street area — — —
16530 Erie , PA No street area — — —
16531 Erie , PA No street area — — —
16534 Erie , PA No street area — — —
16538 Erie , PA No street area — — —
16541 Erie , PA No street area — — —
16544 Erie , PA No street area — — —
16546 Erie , PA Standard 929 — —
16550 Erie , PA Standard 0 — —
16553 Erie , PA No street area — — —
16563 Erie , PA Standard 1,607 — —
16565 Erie , PA No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 165.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/165

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