About this number
(309) 687 is a landline based telephone number operated by Ameritech Illinois and is located in zip code 61604 in the city of Peoria, Illinois, which is in Peoria County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 309 and Network Numbering Exchange (NXX - also known as a prefix) of 687. It has an Operating Company Number (OCN) of 9329. A Common Language Location Identifier (CLLI) of PEORILPBDS0. As well as a Local access and transport area (LATA) of 368. Zip code 61604 has a population of 31,647 as of the 2010 census.