Area Code 757-831 located in PORTSMOUTH, PORTSMOUTH CITY, VA, more detail is as below. Place NPA (Numbering Plan Area) : 757 NXX (Local Number Prefix) : 831 City : PORTSMOUTH County : PORTSMOUTH CITY State : VA (Virginia) NXX Use Type : Wireless NXX Intro Version : 2002-05-01 FIPS (Federal Information Processing Standards) : 51740 LATA (Local Access Transport Area) : 252 Rate Center : NRFOLKZON2 ZIP Code Count : 0 ZIP Code Frequency : Second most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 23708 Other Information NPANXX : 757831 Switch CLLI (Common Language Location Identifier) : NRFMVAJACM0 MSA CBSA (Core Based Statistical Area) : Virginia Beach-Norfolk-Newport News, VA-NC MSA CBSA Code (Core Based Statistical Area) : 47260 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : SPRINT SPECTRUM L.P. OCN (Operating Company Number) : 6664 Coverage Area Name : NORFOLK Latitude : 36.8483 Longitude : -76.2948 ‹ previous : 757-830 next › : 757-831 Telephone Number List 757-831-0000 ~ 757-831-9999