About this number
(313) 556 is a landline based telephone number operated by Ameritech Michigan and is located in zip code 48202 in the city of Detroit, Michigan, which is in Wayne County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 313 and Network Numbering Exchange (NXX - also known as a prefix) of 556. It has an Operating Company Number (OCN) of 9323. A Common Language Location Identifier (CLLI) of DTRTMIMDDS0. As well as a Local access and transport area (LATA) of 340. Zip code 48202 has a population of 16,603 as of the 2010 census.