About this number
(573) 436 is a landline based telephone number operated by Spectra Communications Group L and is located in zip code 63664 in the city of Potosi, Missouri, which is in Washington County, and is in the Midwest. It has a Number Planning Area (NPA - also known as an Area Code) of 573 and Network Numbering Exchange (NXX - also known as a prefix) of 436. It has an Operating Company Number (OCN) of 1151. A Common Language Location Identifier (CLLI) of POTSMOXADS0. As well as a Local access and transport area (LATA) of 520. Zip code 63664 has a population of 8,920 as of the 2010 census.