About this number
(508) 257 is a landline based telephone number operated by Verizon New England Inc. and is located in zip code 02564 in the city of Siasconset, Massachusetts, which is in Nantucket County, and is in the Northeast. It has a Number Planning Area (NPA - also known as an Area Code) of 508 and Network Numbering Exchange (NXX - also known as a prefix) of 257. It has an Operating Company Number (OCN) of 9102. A Common Language Location Identifier (CLLI) of SCNSMABHRS1. As well as a Local access and transport area (LATA) of 128. Zip code 02564 has a population of 310 as of the 2010 census.