Area Code 774-228 located in OSTERVILLE, BARNSTABLE, MA, more detail is as below. Place NPA (Numbering Plan Area) : 774 NXX (Local Number Prefix) : 228 City : OSTERVILLE County : BARNSTABLE State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 9/22/2011 FIPS (Federal Information Processing Standards) : 25001 LATA (Local Access Transport Area) : 128 Rate Center : OSTERVILLE ZIP Code Count : 0 ZIP Code Frequency : 0 ZIP Code : 02655 Other Information NPANXX : 774228 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 : CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA OCN (Operating Company Number) : 6387 Coverage Area Name : OSTERVILLE Latitude : 41.6239 Longitude : -70.3884 ‹ previous : 774-227 next › : 774-229 Telephone Number List 774-228-0000 ~ 774-228-9999