About this number
(573) 439 is a landline based telephone number operated by Mark Twain Rural Telephone Co. and is located in zip code 63463 in the city of Philadelphia, Missouri, which is in Marion 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 439. It has an Operating Company Number (OCN) of 1914. A Common Language Location Identifier (CLLI) of PHLAMOXADS0. As well as a Local access and transport area (LATA) of 520. Zip code 63463 has a population of 652 as of the 2010 census.