Area Code 571-201 located in VIENNA, FAIRFAX, VA, more detail is as below. Place NPA (Numbering Plan Area) : 571 NXX (Local Number Prefix) : 201 City : VIENNA County : FAIRFAX State : VA (Virginia) NXX Use Type : Landline NXX Intro Version : 2000-06-13 FIPS (Federal Information Processing Standards) : 51059 LATA (Local Access Transport Area) : 236 Rate Center : WSNGTNZN19 ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 22180 Other Information NPANXX : 571201 County Population : 0 Switch CLLI (Common Language Location Identifier) : VINNVAFLDS0 MSA CBSA (Core Based Statistical Area) : Washington-Arlington-Alexandria, DC-VA-MD-WV MSA CBSA Code (Core Based Statistical Area) : 47900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC OCN (Operating Company Number) : 6855 Coverage Area Name : VIENNA Latitude : 38.9003 Longitude : -77.2684 ‹ previous : 571-201 next › : 571-203 Telephone Number List 571-201-0000 ~ 571-201-9999