Area Code 508-284 located in ROCKPORT, ESSEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 284 City : ROCKPORT County : ESSEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 25009 LATA (Local Access Transport Area) : 128 Rate Center : GLOUCESTER ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01966 Other Information NPANXX : 508284 Switch CLLI (Common Language Location Identifier) : BURLMAEHCM1 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 : GLOUCESTER Latitude : 42.6111 Longitude : -70.6597 ‹ previous : 508-284 next › : 508-285 Telephone Number List 508-284-0000 ~ 508-284-9999