Area Code 857-204 located in BOSTON, SUFFOLK, MA, more detail is as below. Place NPA (Numbering Plan Area) : 857 NXX (Local Number Prefix) : 204 City : BOSTON County : SUFFOLK State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 25025 LATA (Local Access Transport Area) : 128 Rate Center : BOSTON ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02199 Other Information NPANXX : 857204 Switch CLLI (Common Language Location Identifier) : NRTNMAAACM3 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 Overlay : L Company : OMNIPOINT MIAMI E LICENSE, LLC OCN (Operating Company Number) : 6889 Coverage Area Name : BOSTON Latitude : 42.3472 Longitude : -71.1015 ‹ previous : 857-203 next › : 857-204 Telephone Number List 857-204-0000 ~ 857-204-9999
