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/988

ZIP codes starting with 988

ZIP codes
46
States
WA
Largest city
Moses Lake, WA
Population
247,848

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 988xx

ZIP codes starting with 988
ZIP City Type Population Median income Median home
98801 Wenatchee , WA Standard 45,426 $81,488 $461,200
98802 East Wenatchee , WA Standard 33,539 $87,744 $450,300
98807 Wenatchee , WA No street area — — —
98811 Ardenvoir , WA Standard 6 — —
98812 Brewster , WA Standard 4,834 $59,297 $354,500
98813 Bridgeport , WA Standard 2,826 $49,969 $177,000
98814 Carlton , WA Standard 473 $98,715 $582,700
98815 Cashmere , WA Standard 7,830 $88,108 $554,300
98816 Chelan , WA Standard 7,752 $82,577 $499,200
98817 Chelan Falls , WA Standard 233 — —
98819 Conconully , WA Standard 182 $63,000 $219,400
98821 Dryden , WA Standard 1,019 $134,233 —
98822 Entiat , WA Standard 2,394 $86,103 $383,600
98823 Ephrata , WA Standard 12,188 $73,074 $267,300
98824 George , WA Standard 147 $44,028 $176,800
98826 Leavenworth , WA Standard 7,605 $87,646 $720,000
98827 Loomis , WA Standard 289 $43,309 —
98828 Malaga , WA Standard 1,898 $70,197 $437,600
98829 Malott , WA Standard 361 $36,875 $392,000
98830 Mansfield , WA Standard 557 $83,125 $262,500
98831 Manson , WA Standard 3,953 $82,650 $659,500
98832 Marlin , WA Standard 87 $31,964 $309,100
98833 Mazama , WA Standard 245 $117,639 $609,900
98834 Methow , WA Standard 178 $71,667 $590,000
98836 Monitor , WA Standard 429 — $380,100
98837 Moses Lake , WA Standard 49,455 $74,586 $315,000
98840 Okanogan , WA Standard 4,892 $57,342 $261,600
98841 Omak , WA Standard 9,737 $71,809 $274,000
98843 Orondo , WA Standard 2,510 $69,425 $750,900
98844 Oroville , WA Standard 4,873 $44,201 $293,800
98845 Palisades , WA Standard 115 $56,250 $300,000
98846 Pateros , WA Standard 1,376 $84,464 $338,200
98847 Peshastin , WA Standard 1,641 $68,814 $380,100
98848 Quincy , WA Standard 12,854 $87,714 $357,500
98849 Riverside , WA Standard 1,096 $63,875 $277,200
98850 Rock Island , WA Standard 2,032 $83,125 $374,700
98851 Soap Lake , WA Standard 4,437 $63,333 $242,800
98852 Stehekin , WA Standard 44 $47,750 $537,500
98853 Stratford , WA Standard 6 — —
98855 Tonasket , WA Standard 5,857 $60,179 $257,800
98856 Twisp , WA Standard 2,920 $70,089 $484,600
98857 Warden , WA Standard 4,062 $61,860 $213,300
98858 Waterville , WA Standard 1,783 $78,669 $259,300
98859 Wauconda , WA Standard 435 $98,108 —
98860 Wilson Creek , WA Standard 277 $62,500 $185,100
98862 Winthrop , WA Standard 2,995 $71,080 $720,200

Cite this page

zipcodes.pro. “ZIP codes starting with 988.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/988

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