Find the last 4 digits (ZIP+4) for an address in 61277

ZIP 61277, Prophetstown, IL is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 61277 – Prophetstown, IL

Prophetstown, Illinois · Whiteside County · Central time

ZIP code61277
CityProphetstown
StateIllinois
CountyWhiteside CountyHenry County
Population3,054
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area133.69 sq mi
Center (lat, long)41.6136, -89.9306

Area codes in this area

779815

These are the area codes that most often serve ZIP 61277 (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

61258 Hooppole · 6.4 mi61283 Tampico · 7.5 mi61261 Lyndon · 8.5 mi61250 Erie · 9.8 mi61251 Fenton · 10.8 mi61243 Deer Grove · 13 mi61346 New Bedford · 13.1 mi61234 Annawan · 13.5 mi

About ZIP 61277

ZIP code 61277 is assigned to Prophetstown, Illinois. It crosses 2 counties; most of its land is in Whiteside County. Its Census area covers about 133.69 square miles of land. The closest neighboring ZIP is 61258 (Hooppole), about 6.4 miles away.

Every address in 61277 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