Area Code 617-273 located in ALLSTON, SUFFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 273 City : ALLSTON County : SUFFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 25025 LATA (Local Access Transport Area) : 128 Rate Center : MILTON ZIP Code Count : 1 ZIP Code Frequency : 50 ZIP Code : 02134 Other Information NPANXX : 617273 Switch CLLI (Common Language Location Identifier) : CMBSMAAZDS0 MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BROADWING COMMUNICATIONS, LLC - MA OCN (Operating Company Number) : 8924 Coverage Area Name : MALDEN Latitude : 42.3670 Longitude : -71.0954 ‹ previous : 617-272 next › : 617-273 Telephone Number List 617-273-0000 ~ 617-273-9999