Area Code 617-640 located in MALDEN, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 617 NXX (Local Number Prefix) : 640 City : MALDEN County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 1998-11-20 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : DEDHAM ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 02148 Other Information NPANXX : 617640 Switch CLLI (Common Language Location Identifier) : CMBRMA0118T 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 : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : DEDHAM Latitude : 42.2449 Longitude : -71.1756 ‹ previous : 617-639 next › : 617-641 Telephone Number List 617-640-0000 ~ 617-640-9999
