About this number
(573) 342 is a landline based telephone number operated by Level 3 Communications, LLC - and is located in zip code 63101 in the city of Saint Louis, 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 573 and Network Numbering Exchange (NXX - also known as a prefix) of 342. It has an Operating Company Number (OCN) of 4932. A Common Language Location Identifier (CLLI) of STLSMOPLDS4. As well as a Local access and transport area (LATA) of 520. It was first assigned for usage on 01/10/2003. Zip code 63101 has a population of 2,620 as of the 2010 census.