Area Code 203-225 located in SHELTON, FAIRFIELD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 225 City : SHELTON County : FAIRFIELD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1997-01-11 FIPS (Federal Information Processing Standards) : 09001 LATA (Local Access Transport Area) : 920 Rate Center : HUNTINGTON ZIP Code Count : 380 ZIP Code Frequency : 99 ZIP Code : 06484 Other Information NPANXX : 203225 County Population : 0 Switch CLLI (Common Language Location Identifier) : HNTNCT00DS0 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 : SOUTHERN NEW ENGLAND TELEPHONE CO. OCN (Operating Company Number) : 9147 Coverage Area Name : HUNTINGTON Latitude : 41.2956 Longitude : -73.1485 ‹ previous : 203-224 next › : 203-226 Telephone Number List 203-225-0000 ~ 203-225-9999