Find the last 4 digits (ZIP+4) for an address in 66944

ZIP 66944, Haddam, KS is filled in. Just type the street address.

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ZIP Code 66944 – Haddam, KS

Haddam, Kansas · Washington County · Central time

ZIP code66944
CityHaddam
StateKansas
CountyWashington County
Population304
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area93.2 sq mi
Center (lat, long)39.8402, -97.2931

Area codes in this area

785

These are the area codes that most often serve ZIP 66944 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

66958 Morrowville · 7 mi66940 Cuba · 8.9 mi66960 Narka · 9.5 mi66955 Mahaska · 9.8 mi66968 Washington · 12.2 mi66959 Munden · 13.8 mi66930 Agenda · 14 mi66953 Linn · 14.5 mi

About ZIP 66944

ZIP code 66944 is assigned to Haddam, Kansas. It lies in Washington County. Its Census area covers about 93.2 square miles of land. The closest neighboring ZIP is 66958 (Morrowville), about 7 miles away.

Every address in 66944 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources