About this number
(617) 634 is a landline based telephone number operated by Verizon New England Inc. and is located in zip code 02150 in the city of Chelsea, 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 617 and Network Numbering Exchange (NXX - also known as a prefix) of 634. It has an Operating Company Number (OCN) of 9102. A Common Language Location Identifier (CLLI) of CHLSMACHDS0. As well as a Local access and transport area (LATA) of 128. Zip code 02150 has a population of 35,124 as of the 2010 census.