Find the last 4 digits (ZIP+4) for an address in 55920

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ZIP Code 55920 – Byron, MN

Byron, Minnesota · Olmsted County · Central time

ZIP code55920
CityByron
StateMinnesota
CountyOlmsted County
Population9,271
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area68.68 sq mi
Center (lat, long)44.0124, -92.6211

Area codes in this area

507924

These are the area codes that most often serve ZIP 55920 (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

55944 Kasson · 5.1 mi55905 Rochester · 5.6 mi55902 Rochester · 6.3 mi55901 Rochester · 7.6 mi55955 Mantorville · 7.9 mi55903 Rochester · 9.2 mi55960 Oronoco · 9.8 mi55904 Rochester · 11.6 mi

About ZIP 55920

ZIP code 55920 is assigned to Byron, Minnesota. It lies in Olmsted County. Its Census area covers about 68.68 square miles of land. The closest neighboring ZIP is 55944 (Kasson), about 5.1 miles away.

Every address in 55920 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