About this number
(920) 491 is a landline based telephone number operated by Ameritech Wisconsin and is located in zip code 54304 in the city of Green Bay, Wisconsin, which is in Brown 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 491. It has an Operating Company Number (OCN) of 9327. A Common Language Location Identifier (CLLI) of GNBYWI11DSA. As well as a Local access and transport area (LATA) of 350. Zip code 54304 has a population of 28,153 as of the 2010 census.