About this number
(857) 288 is a landline based telephone number operated by Xo Massachusetts, Inc. and is located in zip code 02110 in the city of Boston, Massachusetts, which is in Suffolk County, and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 857 and Network Numbering Exchange (NXX - also known as a prefix) of 288. It has an Operating Company Number (OCN) of 4536. A Common Language Location Identifier (CLLI) of BSTPMALLDS1. As well as a Local access and transport area (LATA) of 128. It was first assigned for usage on 08/01/2006. Zip code 02110 has a population of 1,733 as of the 2010 census.