Area Code 774-237 located in HARWICH, BARNSTABLE, MA, more detail is as below. Place NPA (Numbering Plan Area) : 774 NXX (Local Number Prefix) : 237 City : HARWICH County : BARNSTABLE State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 25001 LATA (Local Access Transport Area) : 128 Rate Center : HARWICH ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 02645 Other Information NPANXX : 774237 Switch CLLI (Common Language Location Identifier) : BRTNMACR0MD MSA CBSA (Core Based Statistical Area) : Barnstable Town, MA MSA CBSA Code (Core Based Statistical Area) : 12700 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : CTC COMMUNICATIONS CORP. - MA OCN (Operating Company Number) : 3370 Coverage Area Name : HARWICH Latitude : 41.6858 Longitude : -70.0734 ‹ previous : 774-236 next › : 774-238 Telephone Number List 774-237-0000 ~ 774-237-9999