About this number
(636) 899-0003 is a landline based telephone number operated by Southwestern Bell and is located in zip code 63373 in the city of Portage Des Sioux, Missouri, which is in St Charles County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 636, a Network Numbering Exchange (NXX - also known as a prefix) of 899 and a subscriber number of 0003. It has an Operating Company Number (OCN) of 9533. A Common Language Location Identifier (CLLI) of PRSXMO68RS0. As well as a Local access and transport area (LATA) of 520. It was first assigned for usage on 01/01/1901. Zip code 63373 has a population of 603 as of the 2010 census.