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/173

ZIP codes starting with 173

ZIP codes
58
States
PA
Largest city
Hanover, PA
Population
353,566

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 173xx

ZIP codes starting with 173
ZIP City Type Population Median income Median home
17301 Abbottstown , PA Standard 4,133 $84,712 $250,900
17302 Airville , PA Standard 2,834 $82,200 $246,500
17303 Arendtsville , PA Standard 395 $81,905 $194,900
17304 Aspers , PA Standard 3,171 $84,885 $248,000
17306 Bendersville , PA Standard 537 $75,000 $203,300
17307 Biglerville , PA Standard 5,467 $88,571 $258,200
17309 Brogue , PA Standard 1,393 $84,917 $262,500
17310 Cashtown , PA No street area — — —
17311 Codorus , PA Standard 127 $77,500 $160,400
17312 Craley , PA No street area — — —
17313 Dallastown , PA Standard 11,428 $70,176 $237,900
17314 Delta , PA Standard 6,640 $96,047 $269,300
17315 Dover , PA Standard 25,760 $82,884 $234,900
17316 East Berlin , PA Standard 8,497 $90,664 $293,200
17317 East Prospect , PA Standard 466 $88,906 $220,500
17318 Emigsville , PA Standard 230 — —
17319 Etters , PA Standard 11,292 $99,778 $236,900
17320 Fairfield , PA Standard 8,124 $90,076 $295,000
17321 Fawn Grove , PA Standard 2,419 $114,205 $291,200
17322 Felton , PA Standard 6,473 $103,152 $261,600
17323 Franklintown , PA Standard 83 — $160,400
17324 Gardners , PA Standard 4,433 $77,824 $254,100
17325 Gettysburg , PA Standard 30,373 $80,948 $287,200
17327 Glen Rock , PA Standard 7,828 $101,106 $315,700
17329 Glenville , PA Standard 2,999 $121,309 $331,000
17331 Hanover , PA Standard 56,443 $79,488 $240,800
17332 Hanover , PA No street area — — —
17333 Hanover , PA No street area — — —
17334 Hanover , PA No street area — — —
17335 Hanover , PA No street area — — —
17337 Idaville , PA No street area — — —
17339 Lewisberry , PA Standard 6,281 $96,583 $299,900
17340 Littlestown , PA Standard 11,405 $90,030 $298,000
17342 Loganville , PA Standard 563 $92,019 $313,100
17343 Mc Knightstown , PA Standard 31 — —
17344 Mc Sherrystown , PA Standard 3,719 $65,833 $193,500
17345 Manchester , PA Standard 7,715 $92,821 $222,500
17347 Mount Wolf , PA Standard 6,393 $98,261 $254,300
17349 New Freedom , PA Standard 8,254 $120,618 $368,900
17350 New Oxford , PA Standard 13,169 $79,401 $236,500
17352 New Park , PA Standard 1,288 $125,750 $338,600
17353 Orrtanna , PA Standard 2,825 $100,150 $264,100
17354 Porters Sideling , PA No street area — — —
17355 Railroad , PA Standard 322 — $221,400
17356 Red Lion , PA Standard 22,869 $86,561 $240,500
17358 Rossville , PA No street area — — —
17360 Seven Valleys , PA Standard 5,735 $97,896 $303,200
17361 Shrewsbury , PA Standard 6,156 $104,958 $297,900
17362 Spring Grove , PA Standard 14,730 $98,702 $292,100
17363 Stewartstown , PA Standard 8,553 $107,386 $320,100
17364 Thomasville , PA Standard 4,209 $75,677 $215,900
17365 Wellsville , PA Standard 2,897 $91,742 $261,800
17366 Windsor , PA Standard 6,392 $83,448 $210,500
17368 Wrightsville , PA Standard 7,005 $92,694 $223,500
17370 York Haven , PA Standard 7,090 $89,895 $250,400
17371 York New Salem , PA Standard 375 $106,856 $198,300
17372 York Springs , PA Standard 4,045 $82,313 $282,700
17375 Peach Glen , PA No street area — — —

Cite this page

zipcodes.pro. “ZIP codes starting with 173.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/173

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