Area Code 336-550 located in GREENSBORO, GUILFORD, NC, more detail is as below. Place NPA (Numbering Plan Area) : 336 NXX (Local Number Prefix) : 550 City : GREENSBORO County : GUILFORD State : NC (North Carolina) NXX Use Type : Wireless NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 37081 LATA (Local Access Transport Area) : 424 Rate Center : GREENSBORO ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 27403 Other Information NPANXX : 336550 County Population : 0 Switch CLLI (Common Language Location Identifier) : GNBONCFDCM1 MSA CBSA (Core Based Statistical Area) : Greensboro-High Point, NC MSA CBSA Code (Core Based Statistical Area) : 24660 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NORTH STATE COMMUNICATIONS ADVANCED SVCS, LLC-NC OCN (Operating Company Number) : 361F Coverage Area Name : GREENSBORO Latitude : 36.0748 Longitude : -79.7810 ‹ previous : 336-550 next › : 336-551 Telephone Number List 336-550-0000 ~ 336-550-9999