Area code 203 covers part of Connecticutstate, covering most of Fairfield, New Haven counties. It was started on Jan 01, 2000. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to Connecticut state include 475, 860, 959.
Date Changed | Change Details |
May 16, 2014 | Area code 203-890 was introduced on Apr 16, 2014 and subscribers are operational from May 16, 2014. |
May 02, 2014 | Area code 203-896 subscribers are operational from May 02, 2014. |
May 01, 2014 | Area code 203-883 was introduced on Mar 31, 2014 and subscribers are operational from May 01, 2014. |
Apr 19, 2014 | Area code 203-850 was introduced on Nov 13, 2012 and subscribers are operational from Apr 19, 2014. |
Apr 14, 2014 | Area code 203-871 was introduced on Mar 19, 2014 and subscribers are operational from Apr 14, 2014. |
Apr 11, 2014 | Area code 203-836 was introduced on Mar 12, 2014 and subscribers are operational from Apr 11, 2014. |
Area Code | City | County | Population | Network Operator |
203-800-9 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-800-4 | New Haven | New Haven | 862,477 | CTC Communications Corporation - CT |
203-800-6 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-800-0 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-801-6 | Cheshire | Fairfield | 916,829 | AT&T Local |
203-801-0 | New Canaan | Fairfield | 916,829 | Southern New England Telephone Company |
203-801-5 | New Haven | Fairfield | 916,829 | Conversent Communications of Connecticut LLC - CT |
203-801-1 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-801-8 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-802-0 | Hartford | New Haven | 862,477 | MetroPCS Inc |
203-802-6 | Stamford | New Haven | 862,477 | Level 3 Communications LLC - CT |
203-802-8 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-803-4 | Stamford | Fairfield | 916,829 | Level 3 Communications LLC - CT |
203-803-0 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-804 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-805-8 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-805-4 | Hartford | New Haven | 862,477 | Comcast Phone of Connecticut Inc - CT |
203-805-0 | Hartford | New Haven | 862,477 | Teleport Communications America LLC - CT |
203-805-9 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-805-3 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-806-5 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-806-0 | Hartford | New Haven | 862,477 | Teleport Communications America LLC - CT |
203-806-4 | Stamford | New Haven | 862,477 | Level 3 Communications LLC - CT |
203-806-3 | Waterbury | New Haven | 862,477 | CTC Communications Corporation - CT |
203-807-8 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-807-0 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-807-9 | Norwalk | Fairfield | 916,829 | MetroPCS Inc |
203-808-0 | Bloomfield | New Haven | 862,477 | Omnipoint Communications Inc - CT |
203-808-7 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-809-0 | Bloomfield | New Haven | 862,477 | Omnipoint Communications Inc - CT |
203-810-0 | Norwalk | Fairfield | 916,829 | Cablevision Lightpath Inc - CT |
203-810-9 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-811 | 206,813 | One Call Services-Pipeline And Utility Safety | ||
203-812-9 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-812-0 | New Haven | New Haven | 862,477 | Southern New England Telephone Company |
203-812-8 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-813-3 | Hicksville | Fairfield | 916,829 | Cablevision Lightpath Inc - CT |
203-813-8 | New York | Fairfield | 916,829 | YMax Communications Corporation - CT |
203-813-0 | White Plains | Fairfield | 916,829 | Teleport Communications New York |
203-814-1 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-814-3 | Stamford | Fairfield | 916,829 | CTC Communications Corporation - CT |
203-814-0 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-814-5 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-815-1 | Stamford | New Haven | 862,477 | Level 3 Communications LLC - CT |
203-815-0 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-816-5 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-816-8 | Hartford | Fairfield | 916,829 | Broadwing Communications LLC - CT |
203-816-0 | Stamford | Fairfield | 916,829 | Global Crossing Local Services Inc - CT |
203-816-6 | Stamford | Fairfield | 916,829 | Level 3 Communications LLC - CT |
203-816-7 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-817-0 | Norwalk | Fairfield | 916,829 | Cablevision Lightpath Inc - CT |
203-817-9 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-818-8 | Norwalk | Fairfield | 916,829 | MetroPCS Inc |
203-818-0 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-818-9 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-819-8 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-819-0 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-819-7 | Stamford | New Haven | 862,477 | Level 3 Communications LLC - CT |
203-819-9 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-819-5 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-820-2 | Hartford | Fairfield | 916,829 | YMax Communications Corporation - CT |
203-820-0 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-821-1 | Bloomfield | New Haven | 862,477 | Omnipoint Communications Inc - CT |
203-821-7 | Hartford | New Haven | 862,477 | Comcast Phone of Connecticut Inc - CT |
203-821-0 | New Haven | New Haven | 862,477 | Southern New England Telephone Company |
203-822-0 | Cheshire | Fairfield | 916,829 | AT&T Local |
203-822-7 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-822-8 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-823-4 | Hartford | New Haven | 862,477 | Choice One Communications Inc - CT |
203-823-0 | Hartford | New Haven | 862,477 | Comcast Phone of Connecticut Inc - CT |
203-823-8 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-823-1 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-823-3 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-824 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-825 | Danbury | Fairfield | 916,829 | Southern New England Telephone Company |
203-826-3 | Hartford | Fairfield | 916,829 | Choice One Communications Inc - CT |
203-826-9 | Hartford | Fairfield | 916,829 | Comcast Phone of Connecticut Inc - CT |
203-826-1 | Hartford | Fairfield | 916,829 | YMax Communications Corporation - CT |
203-826-5 | New Haven | Fairfield | 916,829 | SBC Internet Services Inc |
203-826-0 | New London | Fairfield | 916,829 | Southern New England Telephone Company |
203-826-8 | Stamford | Fairfield | 916,829 | Level 3 Communications LLC - CT |
203-826-6 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-827-0 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-828-0 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-828-6 | Hartford | New Haven | 862,477 | Comcast Phone of Connecticut Inc - CT |
203-828-0 | Stamford | New Haven | 862,477 | Global Crossing Local Services Inc - CT |
203-828-5 | Stamford | New Haven | 862,477 | Level 3 Communications LLC - CT |
203-828-8 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-829-0 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-830 | Danbury | Fairfield | 916,829 | Southern New England Telephone Company |
203-830 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-831 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-832-0 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-833 | Norwalk | Fairfield | 916,829 | USA Mobility Wireless Inc |
203-834 | Wilton | Fairfield | 916,829 | Southern New England Telephone Company |
203-835 | Norwalk | Fairfield | 916,829 | USA Mobility Wireless Inc |
203-836-8 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-836-2 | Hartford | New Haven | 862,477 | MCImetro Access Transmission Services LLC |
203-836-5 | New Haven | New Haven | 862,477 | CTC Communications Corporation - CT |
203-836-0 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-837-0 | Danbury | Fairfield | 916,829 | Southern New England Telephone Company |
203-837-7 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-838 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-839 | Norwalk | Fairfield | 916,829 | USA Mobility Wireless Inc |
203-840 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-841-0 | Hartford | New Haven | 862,477 | Choice One Communications Inc - CT |
203-842-8 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-842-6 | Stamford | Fairfield | 916,829 | CTC Communications Corporation - CT |
203-843-0 | Bridgeport | New Haven | 862,477 | AT&T Local |
203-844-0 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-845 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-846 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-847 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-848-0 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-849 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-850-7 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-851-0 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-852 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-853 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-854 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-855 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-856 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-857-9 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-857-0 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-858 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-859-0 | Hartford | New Haven | 862,477 | Brooks Fiber Communications of Connecticut Inc - CT |
203-859-8 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-860 | 11,862 | Unavailable For Assignment | ||
203-861 | Greenwich | Fairfield | 916,829 | Verizon New York Inc |
203-862 | Greenwich | Fairfield | 916,829 | Verizon New York Inc |
203-863 | Greenwich | Fairfield | 916,829 | Verizon New York Inc |
203-864-9 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-864-0 | Wallingford | Fairfield | 916,829 | Sprint Spectrum LP |
203-865 | New Haven | New Haven | 862,477 | Southern New England Telephone Company |
203-866 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
203-867 | New Haven | New Haven | 862,477 | Southern New England Telephone Company |
203-868-0 | Cheshire | New Haven | 862,477 | AT&T Local |
203-868-8 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-869 | Greenwich | Fairfield | 916,829 | Verizon New York Inc |
203-870-5 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-871-5 | Cheshire | New Haven | 862,477 | AT&T Local |
203-871-0 | Hartford | New Haven | 862,477 | Peerless Network of Connecticut LLC - CT |
203-871-9 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-872-0 | Cheshire | New Haven | 862,477 | AT&T Local |
203-872-3 | New Haven | New Haven | 862,477 | SBC Internet Services Inc |
203-873-0 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-873-5 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-874 | Milford | New Haven | 862,477 | Southern New England Telephone Company |
203-875-0 | Cheshire | Fairfield | 916,829 | AT&T Local |
203-876 | Milford | New Haven | 862,477 | Southern New England Telephone Company |
203-877 | Milford | New Haven | 862,477 | Southern New England Telephone Company |
203-878 | Milford | New Haven | 862,477 | Southern New England Telephone Company |
203-879 | Wolcott | New Haven | 862,477 | Southern New England Telephone Company |
203-880-8 | Hartford | Fairfield | 916,829 | Broadwing Communications LLC - CT |
203-880-6 | Stamford | Fairfield | 916,829 | CTC Communications Corporation - CT |
203-881-6 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-882 | Milford | New Haven | 862,477 | Southern New England Telephone Company |
203-883-8 | Norwalk | Fairfield | 916,829 | Cablevision Lightpath Inc - CT |
203-884-0 | Stamford | New Haven | 862,477 | Global Crossing Local Services Inc - CT |
203-885-7 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-885-0 | Wallingford | Fairfield | 916,829 | Cellco Partnership dba Verizon Wireless - CT |
203-886-0 | Hartford | New Haven | 862,477 | Choice One Communications Inc - CT |
203-887 | Wallingford | New Haven | 862,477 | Sprint Spectrum LP |
203-888 | Seymour | New Haven | 862,477 | Southern New England Telephone Company |
203-889-2 | Hartford | New Haven | 862,477 | Comcast Phone of Connecticut Inc - CT |
203-889-8 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-890-0 | Hartford | Fairfield | 916,829 | Bandwidth.com CLEC LLC - CT |
203-890-0 | Stamford | Fairfield | 916,829 | Southern New England Telephone Company |
203-891-7 | Hartford | New Haven | 862,477 | Comcast Phone of Connecticut Inc - CT |
203-892-0 | Bloomfield | New Haven | 862,477 | Omnipoint Communications Inc - CT |
203-892-2 | Middletown | New Haven | 862,477 | New Cingular Wireless PCS LLC - DC |
203-893-9 | Bloomfield | New Haven | 862,477 | Omnipoint Communications Inc - CT |
203-893-0 | Wallingford | New Haven | 862,477 | Cellco Partnership dba Verizon Wireless - CT |
203-894-5 | Hartford | Fairfield | 916,829 | Comcast Phone of Connecticut Inc - CT |
203-894-4 | Stamford | Fairfield | 916,829 | Paetec Communications Inc - CT |
203-895 | Middletown | Fairfield | 916,829 | New Cingular Wireless PCS LLC - DC |
203-896-7 | Hartford | New Haven | 862,477 | Bandwidth.com CLEC LLC - CT |
203-896-0 | Stamford | New Haven | 862,477 | Global Crossing Local Services Inc - CT |
203-897-0 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-898-0 | Stamford | Fairfield | 916,829 | Brooks Fiber Communications of Connecticut Inc - CT |
203-899 | Norwalk | Fairfield | 916,829 | Southern New England Telephone Company |
john (jlfollmer@gmail.com) commented on
203-830-4317
This review was created at 2016-10-19T15:40
calls repeatedly. never leaves message
Recent reviews for Area Code 203-830-4
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