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/188

ZIP codes starting with 188

ZIP codes
37
States
PA
Largest city
Sayre, PA
Population
72,904

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 188xx

ZIP codes starting with 188
ZIP City Type Population Median income Median home
18801 Montrose , PA Standard 8,102 $70,510 $233,500
18810 Athens , PA Standard 5,774 $58,750 $208,400
18812 Brackney , PA Standard 1,537 $89,688 $271,100
18813 Brooklyn , PA No street area — — —
18814 Burlington , PA Standard 200 $60,000 $228,600
18815 Camptown , PA No street area — — —
18816 Dimock , PA Standard 132 $103,333 $187,500
18817 East Smithfield , PA Standard 74 $67,875 $219,400
18818 Friendsville , PA Standard 1,371 $62,917 $240,400
18820 Gibson , PA Standard 36 — —
18821 Great Bend , PA Standard 1,044 $52,857 $171,800
18822 Hallstead , PA Standard 3,084 $60,132 $204,100
18823 Harford , PA Standard 132 — $254,200
18824 Hop Bottom , PA Standard 1,408 $72,250 $173,600
18825 Jackson , PA Standard 137 $72,679 $264,100
18826 Kingsley , PA Standard 1,466 $88,958 $267,800
18827 Lanesboro , PA No street area — — —
18828 Lawton , PA Standard 146 $56,667 $247,700
18829 Le Raysville , PA Standard 754 $84,667 $219,700
18830 Little Meadows , PA Standard 593 $67,969 $234,700
18831 Milan , PA Standard 1,081 $82,132 $216,900
18832 Monroeton , PA Standard 1,924 $52,961 $152,400
18833 New Albany , PA Standard 2,089 $71,691 $203,800
18834 New Milford , PA Standard 3,245 $70,323 $219,000
18837 Rome , PA Standard 2,936 $71,131 $188,100
18840 Sayre , PA Standard 10,968 $59,214 $171,300
18842 South Gibson , PA Standard 121 $82,969 $195,800
18843 South Montrose , PA Standard 345 — $208,100
18844 Springville , PA Standard 1,335 $92,750 $246,300
18845 Stevensville , PA Standard 489 $58,036 $203,700
18846 Sugar Run , PA Standard 770 $86,042 $270,500
18847 Susquehanna , PA Standard 5,104 $57,386 $155,700
18848 Towanda , PA Standard 8,199 $59,861 $175,200
18850 Ulster , PA Standard 2,070 $71,739 $175,200
18851 Warren Center , PA Standard 615 $78,333 $233,700
18853 Wyalusing , PA Standard 4,028 $67,250 $225,200
18854 Wysox , PA Standard 1,595 $77,917 $207,300

Cite this page

zipcodes.pro. “ZIP codes starting with 188.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/188

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