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Area Code 203

There are 800 phone number prefixes within area code 203. Additionally, there are more than 2,000 phone numbers in this area code that have received at least one user report. The location of calls from area code 203 is Connecticut, USA. Most numbers in this area code are in US Eastern time, where the time is currently 2:49:06 AM on May 9, 2025.
 
Choose a phone number from the list below to browse user reports for . You can also use the search box above to search for user reports about any phone number, or to file a report about any phone number.

Prefix City / State Primary Telco
203-900 Greenwich, CT Cablevision Lightpath, Inc. - Ct
203-901 New Haven, CT Sprint Spectrum, L.p.
203-902 New Haven, CT Onvoy, Llc - Ct
203-903 New Haven, CT Level 3 Communications, Llc - Ct
203-904 Norwalk, CT Sprint Spectrum, L.p.
203-905 Stamford, CT Teleport Communications America, Llc - Ct
203-906 Ansonia-derby, CT Cellco Partnership Dba Verizon Wireless - Ct
203-907 New Haven, CT Choice One Communications, Inc. - Ct
203-908 Bridgeport, CT Omnipoint Communications, Inc. - Ct
203-909 New Haven, CT Cellco Partnership Dba Verizon Wireless - Ct
203-910 Waterbury, CT Cellco Partnership Dba Verizon Wireless - Ct
203-911 Connecticut
203-912 Stamford, CT Cellco Partnership Dba Verizon Wireless - Ct
203-913 Bridgeport, CT Cellco Partnership Dba Verizon Wireless - Ct
203-914 Stamford, CT Cablevision Lightpath, Inc. - Ct
203-915 New Haven, CT Cellco Partnership Dba Verizon Wireless - Ct
203-916 Bridgeport, CT Level 3 Communications, Llc - Ct
203-917 Danbury, CT Cellco Partnership Dba Verizon Wireless - Ct
203-918 Stamford, CT New Cingular Wireless Pcs, Llc - Dc
203-919 Norwalk, CT Omnipoint Communications, Inc. - Ct
203-920 New Canaan, CT Mcimetro Access Transmission Services Llc - Ct
203-921 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-922 Huntington, CT Southern New England Telco Dba Frontier Comm Of Ct
203-923 Bridgeport, CT Mcimetro Access Transmission Services Llc - Ct
203-924 Huntington, CT Southern New England Telco Dba Frontier Comm Of Ct
203-925 Huntington, CT Southern New England Telco Dba Frontier Comm Of Ct
203-926 Huntington, CT Southern New England Telco Dba Frontier Comm Of Ct
203-927 New Haven, CT Cellco Partnership Dba Verizon Wireless - Ct
203-928 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-929 Huntington, CT Southern New England Telco Dba Frontier Comm Of Ct
203-930 Greenwich, CT Global Crossing Local Services, Inc. - Ct
203-931 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-932 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-933 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-934 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-935 Meriden, CT Global Crossing Local Services, Inc. - Ct
203-936 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-937 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-938 Redding, CT Southern New England Telco Dba Frontier Comm Of Ct
203-939 Norwalk, CT Cablevision Lightpath, Inc. - Ct
203-940 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-941 Seymour, CT Bandwidth.com Clec, Llc - Ct
203-942 Danbury, CT Sprint Spectrum, L.p.
203-943 Norwalk, CT Sprint Spectrum, L.p.
203-944 Huntington, CT Southern New England Telco Dba Frontier Comm Of Ct
203-945 Norwalk, CT Southern New England Telco Dba Frontier Comm Of Ct
203-946 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-947 Danbury, CT New Cingular Wireless Pcs, Llc - Dc
203-948 Danbury, CT Sprint Spectrum, L.p.
203-949 Wallingford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-950 Connecticut
203-951 Milford, CT Teleport Communications America, Llc - Ct
203-952 Norwalk, CT Sprint Spectrum, L.p.
203-953 Bridgeport, CT Sprint Spectrum, L.p.
203-954 Ansonia-derby, CT Choice One Communications, Inc. - Ct
203-955 Fairfield, CT Mcimetro Access Transmission Services Llc - Ct
203-956 Norwalk, CT Cablevision Lightpath, Inc. - Ct
203-957 Norwalk, CT Cablevision Lightpath, Inc. - Ct
203-958 Connecticut
203-959 Connecticut
203-960 Stamford, CT Cablevision Lightpath, Inc. - Ct
203-961 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-962 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-963 Norwalk, CT Southern New England Telco Dba Frontier Comm Of Ct
203-964 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-965 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-966 New Canaan, CT Southern New England Telco Dba Frontier Comm Of Ct
203-967 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-968 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-969 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-970 Norwalk, CT Cablevision Lightpath, Inc. - Ct
203-971 Greenwich, CT Cablevision Lightpath, Inc. - Ct
203-972 New Canaan, CT Southern New England Telco Dba Frontier Comm Of Ct
203-973 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-974 New Haven, CT Teleport Communications America, Llc - Ct
203-975 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-976 Connecticut
203-977 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-978 Stamford, CT Southern New England Telco Dba Frontier Comm Of Ct
203-979 Stamford, CT New Cingular Wireless Pcs, Llc - Dc
203-980 New Haven, CT Cellco Partnership Dba Verizon Wireless - Ct
203-981 Norwalk, CT Sprint Spectrum, L.p.
203-982 Waterbury, CT Sprint Spectrum, L.p.
203-983 Greenwich, CT Conversent Communications Of Connecticut, Llc - Ct
203-984 Norwalk, CT Cellco Partnership Dba Verizon Wireless - Ct
203-985 New Haven, CT Southern New England Telco Dba Frontier Comm Of Ct
203-986 Old Greenwich, CT Mcimetro Access Transmission Services Llc - Ct
203-987 Greenwich, CT Level 3 Communications, Llc - Ct
203-988 New Haven, CT New Cingular Wireless Pcs, Llc - Dc
203-989 Stamford, CT Level 3 Communications, Llc - Ct
203-990 Old Greenwich, CT Mcimetro Access Transmission Services Llc - Ct
203-991 Norwalk, CT Southern New England Telco Dba Frontier Comm Of Ct
203-992 Greenwich, CT Cablevision Lightpath, Inc. - Ct
203-993 Bridgeport, CT Cellco Partnership Dba Verizon Wireless - Ct
203-994 Danbury, CT Sprint Spectrum, L.p.
203-995 Bridgeport, CT Mcimetro Access Transmission Services Llc - Ct
203-996 New Haven, CT Sprint Spectrum, L.p.
203-997 Ansonia-derby, CT Omnipoint Communications, Inc. - Ct
203-998 Stamford, CT Level 3 Communications, Llc - Ct
203-999 New Haven, CT Sprint Spectrum, L.p.

Recent Call Explore
User Reports

208-668-2827
April 28, 2025
uses various numbers to harass me about selling my house even though I'm not interested in selling.
208-486-9207
April 28, 2025
uses various numbers to harass me about selling my house even though I'm not interested in selling. ...
877-740-4666
April 23, 2025
Hello, this is Samantha from loan solutions I have an important update regarding your $25,000 consol ...
760-805-7275
April 21, 2025
Was Keller Williams asking me to sell my home
361-593-6607
April 21, 2025
I have received calls from this number. The moment I pick up,, they hang up.