About this number
(919) 257 is a landline based telephone number operated by At&T Local and is located in zip code 27701 in the city of Durham, North Carolina, which is in Durham County, and is in the South. It has a Number Planning Area (NPA - also known as an Area Code) of 919 and Network Numbering Exchange (NXX - also known as a prefix) of 257. It has an Operating Company Number (OCN) of 7421. A Common Language Location Identifier (CLLI) of DRHMNCXMGMD. As well as a Local access and transport area (LATA) of 426. It was first assigned for usage on 07/16/2001. Zip code 27701 has a population of 21,288 as of the 2010 census.