About this number
(630) 646-0001 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 60540 in the city of Naperville, Illinois, which is in Du Page County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 630, a Network Numbering Exchange (NXX - also known as a prefix) of 646 and a subscriber number of 0001. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of NPVLILNADS0. As well as a Local access and transport area (LATA) of 358. It was first assigned for usage on 01/01/1901. Zip code 60540 has a population of 42,910 as of the 2010 census.