Find the last 4 digits (ZIP+4) for an address in 61077

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ZIP Code 61077 – Seward, IL

Seward, Illinois · Winnebago County · Central time

ZIP code61077
CitySeward
StateIllinois
CountyWinnebago County
Population97
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.79 sq mi
Center (lat, long)42.2401, -89.3480

Area codes in this area

779815

These are the area codes that most often serve ZIP 61077 (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

61088 Winnebago · 4.8 mi61063 Pecatonica · 5.5 mi61047 Leaf River · 6.5 mi61039 German Valley · 6.6 mi61067 Ridott · 7.8 mi61010 Byron · 8.2 mi61102 Rockford · 9.5 mi61106 Rockford · 10.8 mi

About ZIP 61077

ZIP code 61077 is assigned to Seward, Illinois. It lies in Winnebago County. Its Census area covers about 0.79 square miles of land. The closest neighboring ZIP is 61088 (Winnebago), about 4.8 miles away.

Every address in 61077 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