Area Code 203-531 located in GREENWICH, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 531 City : GREENWICH County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1996-01-10 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 132 Rate Center : BYRAM ZIP Code Count : 2784 ZIP Code Frequency : 63 ZIP Code : 06831 Other Information NPANXX : 203531 County Population : 0 Switch CLLI (Common Language Location Identifier) : PTCHNYPCDS0 MSA CBSA (Core Based Statistical Area) : Bridgeport-Stamford-Norwalk, CT MSA CBSA Code (Core Based Statistical Area) : 14860 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : VERIZON NEW YORK, INC. OCN (Operating Company Number) : 9104 Coverage Area Name : GREENWICH Latitude : 41.0043 Longitude : -73.6619 ‹ previous : 203-531 next › : 203-532 Telephone Number List 203-531-0000 ~ 203-531-9999
