About this number
(443) 356-0040 is a wireless/mobile based telephone number operated by Leap Wireless Intl, Inc. DBA C and is located in zip code 21201 in the city of Baltimore, Maryland, which is in Baltimore County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 443, a Network Numbering Exchange (NXX - also known as a prefix) of 356 and a subscriber number of 0040. It has an Operating Company Number (OCN) of 822. A Common Language Location Identifier (CLLI) of NOCLLIKNOWN. As well as a Local access and transport area (LATA) of 238. It was first assigned for usage on 02/11/2009. Zip code 21201 has a population of 16,972 as of the 2010 census.