Area Code 910-399 located in WILMINGTON, NEW HANOVER, NC, more detail is as below. Place NPA (Numbering Plan Area) : 910 NXX (Local Number Prefix) : 399 City : WILMINGTON County : NEW HANOVER State : NC (North Carolina) NXX Use Type : Landline NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 37129 LATA (Local Access Transport Area) : 428 Rate Center : WILMINGTON ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 28403 Other Information NPANXX : 910399 Switch CLLI (Common Language Location Identifier) : WLMGNCATFMD MSA CBSA (Core Based Statistical Area) : Wilmington, NC MSA CBSA Code (Core Based Statistical Area) : 48900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AT&T LOCAL OCN (Operating Company Number) : 7421 Coverage Area Name : WILMINGTON Latitude : 34.2581 Longitude : -77.8465 ‹ previous : 910-399 next › : 910-400 Telephone Number List 910-399-0000 ~ 910-399-9999