Find the last 4 digits (ZIP+4) for an address in 55121

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ZIP Code 55121 – Saint Paul, MN

Saint Paul, Minnesota · Dakota County · Central time

ZIP code55121
CitySaint Paul
StateMinnesota
CountyDakota County
Population9,198
Time zoneCentral · local time
ZIP typeStandard (has a Census ZCTA area)
Land area9.61 sq mi
Center (lat, long)44.8459, -93.1596

Area codes in this area

612

These are the area codes that most often serve ZIP 55121 (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

55120 Saint Paul · 2.1 mi55150 Mendota · 2.9 mi55123 Saint Paul · 3.2 mi55425 Minneapolis · 3.3 mi55111 Saint Paul · 3.4 mi55122 Saint Paul · 3.6 mi55450 Minneapolis · 3.8 mi55118 Saint Paul · 4.4 mi

About ZIP 55121

ZIP code 55121 is assigned to Saint Paul, Minnesota. It lies in Dakota County. Its Census area covers about 9.61 square miles of land. The closest neighboring ZIP is 55120 (Saint Paul), about 2.1 miles away.

Every address in 55121 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