Find the last 4 digits (ZIP+4) for an address in 45638

ZIP 45638, Ironton, OH is filled in. Just type the street address.

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ZIP Code 45638 – Ironton, OH

Ironton, Ohio · Lawrence County · Eastern time

ZIP code45638
CityIronton
StateOhio
CountyLawrence CountyScioto County
Population19,982
Time zoneEastern · local time
ZIP typeStandard (has a Census ZCTA area)
Land area76.9 sq mi
Center (lat, long)38.5558, -82.6719

Area codes in this area

380614

These are the area codes that most often serve ZIP 45638 (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

41183 Worthington · 3.5 mi41169 Russell · 3.8 mi41139 Flatwoods · 4.7 mi41101 Ashland · 5.5 mi45659 Pedro · 7 mi45675 Rock Camp · 7.6 mi45645 Kitts Hill · 7.9 mi45636 Haverhill · 8 mi

About ZIP 45638

ZIP code 45638 is assigned to Ironton, Ohio. It crosses 2 counties; most of its land is in Lawrence County. Its Census area covers about 76.9 square miles of land. The closest neighboring ZIP is 41183 (Worthington), about 3.5 miles away.

Every address in 45638 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