Area Code 274

Area code 274 covers New London and nearby cities including Green Bay, Appleton, Oshkosh in Wisconsin, in the Central Time.

Is a call from 274 a scam? Who called me from 274?

Cities in area code 274

New London, Green Bay, Appleton, Oshkosh, Sheboygan, De Pere, Manitowoc, Neenah, North Fond du Lac, Watertown

Area codes by city

Carriers in area code 274

Area code 274 spans 27 prefixes, about 58% wireless. Top carriers: ONVOY, LLC - WI, T-MOBILE USA, INC., METROPCS, INC., NEW CINGULAR WIRELESS PCS, LLC - IL. Look up the carrier for a 274 number.

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Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.