About this number
(636) 200-4536 is a landline based telephone number operated by Birch Telecom Of Missouri, INC and is located in zip code 63043 in the city of Maryland Heights, Missouri, which is in St. Louis 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 200 and a subscriber number of 4536. It has an Operating Company Number (OCN) of 8665. A Common Language Location Identifier (CLLI) of MRHGMO02DS0. As well as a Local access and transport area (LATA) of 520. It was first assigned for usage on 01/01/1901. Zip code 63043 has a population of 22,367 as of the 2010 census.