Area Code 203-653 located in GRANBY, HARTFORD, CT, more detail is as below. Place NPA (Numbering Plan Area) : 203 NXX (Local Number Prefix) : 653 City : GRANBY County : HARTFORD State : CT (Connecticut) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 09003 LATA (Local Access Transport Area) : 920 Rate Center : STAMFORD ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 06035 Other Information NPANXX : 203653 County Population : 0 Switch CLLI (Common Language Location Identifier) : SMFRCTATW51 MSA CBSA (Core Based Statistical Area) : Hartford-West Hartford-East Hartford, CT MSA CBSA Code (Core Based Statistical Area) : 25540 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : PAETEC COMMUNICATIONS, INC. - CT OCN (Operating Company Number) : 3083 Coverage Area Name : STAMFORD Latitude : 41.0528 Longitude : -73.5361 ‹ previous : 203-652 next › : 203-654 Telephone Number List 203-653-0000 ~ 203-653-9999