Areacode920 was created on , in a split of areacode 414, one of the original North American areacodes of 1947. 274 was added to the same numbering plan area (NPA) on to create an areacode overlay. Where is area code 920? Area code 920 is located in eastern Wisconsin and covers Green Bay, Appleton, and Oshkosh. It has a single overlay (274) that serves the same area. 6 days ago · 920 is an area code located in the state of Wisconsin, US. The largest city it serves is Green Bay. Find out where 920 area code zone from, which states, counties and cities it covers. Get the most exact information on time zones here. Areacode920 was created on , in a split of areacode 414, one of the original North American areacodes of 1947. 274 was added to the same numbering plan area (NPA) on to create an areacode overlay. Find 920areacode details including city, time zone, and map. Lookup areacode920 phone number, name, and location. See full list on wirefly.comNov 22, 2025 · Area code 920 is in Wisconsin, USA , spanning 19 counties and serving 163 cities , including Green Bay, Appleton or Oshkosh; it currently uses 785 prefixes , assigned from 920-200-XXXX through 920-999-XXXX. Area code 920 serves eastern Wisconsin outside of the Milwaukee area, including cities such as Green Bay, Appleton, Oshkosh, Sheboygan, and Fond du Lac. It was created in 1997 from a split of area code 414 to support growth in these communities. Area Code 920 Boundary Map List of ZIP Codes in Area Code 920 ... List of Counties in Area Code 920 ... List of Major Cities/Towns in Area Code 920 Find 920areacode details including city, time zone, and map. Lookup areacode920 phone number, name, and location. See full list on wirefly.comNov 22, 2025 · Area code 920 is in Wisconsin, USA , spanning 19 counties and serving 163 cities , including Green Bay, Appleton or Oshkosh; it currently uses 785 prefixes , assigned from 920-200-XXXX through 920-999-XXXX. Area code 920 serves eastern Wisconsin outside of the Milwaukee area, including cities such as Green Bay, Appleton, Oshkosh, Sheboygan, and Fond du Lac. It was created in 1997 from a split of area code 414 to support growth in these communities. Area Code 920 Boundary Map List of ZIP Codes in Area Code 920 ... List of Counties in Area Code 920 ... List of Major Cities/Towns in Area Code 920 · Area code 920 is in Wisconsin, USA , spanning 19 counties and serving 163 cities , including Green Bay, Appleton or Oshkosh; it currently uses 785 prefixes , assigned from 920-200-XXXX through 920-999-XXXX. Area code 920 serves eastern Wisconsin outside of the Milwaukee area, including cities such as Green Bay, Appleton, Oshkosh, Sheboygan, and Fond du Lac. It was created in 1997 from a split of area code 414 to support growth in these communities. Area Code 920 Boundary Map List of ZIP Codes in Area Code 920 ... List of Counties in Area Code 920 ... List of Major Cities/Towns in Area Code 920
