Area Code 757-387 located in ONANCOCK, ACCOMACK, VA, more detail is as below. Place NPA (Numbering Plan Area) : 757 NXX (Local Number Prefix) : 387 City : ONANCOCK County : ACCOMACK State : VA (Virginia) NXX Use Type : Wireless NXX Intro Version : 2004-01-27 FIPS (Federal Information Processing Standards) : 51001 LATA (Local Access Transport Area) : 252 Rate Center : ONANCOCK ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 23417 Other Information NPANXX : 757387 Switch CLLI (Common Language Location Identifier) : HRNDVACXCM3 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 : ONANCOCK Latitude : 37.7168 Longitude : -75.7427 ‹ previous : 757-385 next › : 757-388 Telephone Number List 757-387-0000 ~ 757-387-9999