About this number
(920) 223 is a landline based telephone number operated by Ameritech Wisconsin and is located in zip code 54901 in the city of Oshkosh, Wisconsin, which is in Winnebago County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 920 and Network Numbering Exchange (NXX - also known as a prefix) of 223. It has an Operating Company Number (OCN) of 9327. A Common Language Location Identifier (CLLI) of OSHKWI01DSA. As well as a Local access and transport area (LATA) of 350. Zip code 54901 has a population of 37,710 as of the 2010 census.