Area code 203 covers part of Connecticutstate, covering most of Fairfield, New Haven counties. It was started on Feb 04, 1994. This region follows (UTC-05:00) timezone. Other popular area codes that belong to Connecticut state include 860.
| Area Code | City | County | Population | Network Operator |
| 203-801 | New Canaan | Fairfield | 883 803 | |
| 203-803 | Norwalk | Fairfield | 883 805 | |
| 203-804 | New Haven | New Haven | 824 806 | |
| 203-805 | Waterbury | New Haven | 824 807 | |
| 203-806 | Cheshire | New Haven | 824 808 | |
| 203-807 | Norwalk | Fairfield | 883 809 | |
| 203-808 | Waterbury | New Haven | 824 810 | |
| 203-809 | New Haven | New Haven | 824 811 | |
| 203-810 | Norwalk | Fairfield | 883 812 | |
| 203-812 | New Haven | New Haven | 824 814 | |
| 203-813 | Greenwich | Fairfield | 883 815 | |
| 203-814 | Bridgeport | Fairfield | 883 816 | |
| 203-815 | New Haven | New Haven | 824 817 | |
| 203-816 | Trumbull | Fairfield | 883 818 | |
| 203-817 | Stamford | Fairfield | 883 819 | |
| 203-818 | Norwalk | Fairfield | 883 820 | |
| 203-819 | Waterbury | New Haven | 824 821 | |
| 203-820 | Norwalk | Fairfield | 883 822 | |
| 203-821 | New Haven | New Haven | 824 823 | |
| 203-822 | Norwalk | Fairfield | 883 824 | |
| 203-823 | New Haven | New Haven | 824 825 | |
| 203-824 | New Haven | New Haven | 824 826 | |
| 203-825 | Danbury | Fairfield | 883 827 | |
| 203-826 | Danbury | Fairfield | 883 828 | |
| 203-828 | Seymour | New Haven | 824 830 | |
| 203-829 | Norwalk | Fairfield | 883 831 | |
| 203-830 | Danbury | Fairfield | 883 832 | |
| 203-831 | Norwalk | Fairfield | 883 833 | |
| 203-833 | Norwalk | Fairfield | 883 835 | |
| 203-834 | Wilton | Fairfield | 883 836 | |
| 203-835 | Norwalk | Fairfield | 883 837 | |
| 203-836 | Norwalk | Fairfield | 883 838 | |
| 203-837 | Danbury | Fairfield | 883 839 | |
| 203-838 | Norwalk | Fairfield | 883 840 | |
| 203-839 | Norwalk | Fairfield | 883 841 | |
| 203-840 | Norwalk | Fairfield | 883 842 | |
| 203-841 | Waterbury | New Haven | 824 843 | |
| 203-842 | Stamford | Fairfield | 883 844 | |
| 203-843 | New Haven | New Haven | 824 845 | |
| 203-845 | Norwalk | Fairfield | 883 847 | |
| 203-846 | Norwalk | Fairfield | 883 848 | |
| 203-847 | Norwalk | Fairfield | 883 849 | |
| 203-848 | New Haven | New Haven | 824 850 | |
| 203-849 | Norwalk | Fairfield | 883 851 | |
| 203-851 | Norwalk | Fairfield | 883 853 | |
| 203-852 | Norwalk | Fairfield | 883 854 | |
| 203-853 | Norwalk | Fairfield | 883 855 | |
| 203-854 | Norwalk | Fairfield | 883 856 | |
| 203-855 | Norwalk | Fairfield | 883 857 | |
| 203-856 | Norwalk | Fairfield | 883 858 | |
| 203-857 | Norwalk | Fairfield | 883 859 | |
| 203-858 | Norwalk | Fairfield | 883 860 | |
| 203-859 | New Haven | New Haven | 824 861 | |
| 203-861 | Greenwich | Fairfield | 883 863 | |
| 203-862 | Greenwich | Fairfield | 883 864 | |
| 203-863 | Greenwich | Fairfield | 883 865 | |
| 203-864 | Greenwich | Fairfield | 883 866 | |
| 203-865 | New Haven | New Haven | 824 867 | |
| 203-866 | Norwalk | Fairfield | 883 868 | |
| 203-867 | New Haven | New Haven | 824 869 | |
| 203-868 | New Haven | New Haven | 824 870 | |
| 203-869 | Greenwich | Fairfield | 883 871 | |
| 203-870 | Stratford | Fairfield | 883 872 | |
| 203-871 | Branford | New Haven | 824 873 | |
| 203-872 | New Haven | New Haven | 824 874 | |
| 203-874 | Milford | New Haven | 824 876 | |
| 203-875 | Darien | Fairfield | 883 877 | |
| 203-876 | Milford | New Haven | 824 878 | |
| 203-877 | Milford | New Haven | 824 879 | |
| 203-878 | Milford | New Haven | 824 880 | |
| 203-879 | Wolcott | New Haven | 824 881 | |
| 203-880 | Trumbull | Fairfield | 883 882 | |
| 203-881 | Seymour | New Haven | 824 883 | |
| 203-882 | Milford | New Haven | 824 884 | |
| 203-883 | Stamford | Fairfield | 883 885 | |
| 203-884 | Guilford | New Haven | 824 886 | |
| 203-885 | New Haven | New Haven | 824 887 | |
| 203-886 | Meriden | New Haven | 824 888 | |
| 203-887 | New Haven | New Haven | 824 889 | |
| 203-888 | Seymour | New Haven | 824 890 | |
| 203-889 | New Haven | New Haven | 824 891 | |
| 203-890 | Stamford | Fairfield | 883 892 | |
| 203-891 | New Haven | New Haven | 824 893 | |
| 203-892 | New Haven | New Haven | 824 894 | |
| 203-893 | Norwalk | Fairfield | 883 895 | |
| 203-894 | Ridgefield | Fairfield | 883 896 | |
| 203-895 | Trumbull | Fairfield | 883 897 | |
| 203-896 | Madison | New Haven | 824 898 | |
| 203-899 | Norwalk | Fairfield | 883 901 |
| No reviews yet. |
At VerifyPhone.com, you'll find current information on 203area code, including 203 area code location & map. Other phone area code may be searched using VerifyPhone.com's area code locator service on the homepage. Use the phone number search function above to instant verify area code lookup & phone number lookup.
VerifyPhone.com provides a free area codes directory with detailed information on the various USA area codes, area codes listing, and other area codes phone details. VerifyPhone.com also lists international area codes within the North American Numbering Plan. And you can verify owners of phone numbers using the reverse number lookup service by entering a 10 digit phone number in the top most text box.
Find area codes by using VerifyPhone.com's area code finder. VerifyPhone.com provides an area codes location map service for area codes of USA. When using these maps, please note that area zip codes are different than phone number area codes used for calling.
VerifyPhone.com is an excellent resource for area code lookup and reverse number lookup. Here you'll find area codes, city, county, population & operator list table of area codes within the United States. Also, you can verify owners of phone numbers with full name & address information for background check. For a full list of area codes, visit VerifyPhone.com home page. It provides drilldown for USA area codes and area code location maps.
Find owner information using the reverse phone number search function on VerifyPhone.com. With phone number search function, you can find owner information & detailed area codes information in the United States.
VerifyPhone.com is a resource of North American telephone area codes. Beyond area code listings, relevant information about each area code is detailed. For example, this page details area code 203-8. You can also search area codes by state, and within the NANP, find country area codes.
The area codes locator shows the coverage area for each phone number area code. Area code locations are also listed by city next to the area code maps on this page. Also, read reviews within an area code.
VerifyPhone.com provides local reviews for phone numbers and aggregates results per area code. It shows you the area code location covered by each area code; for example, the LA area code reveiws covers local business phone numbers area in Los Angeles. This page details area code 203-8. All USA states area codes may be found using VerifyPhone.com.
The telephone area code prefixes local phone numbers & is not required to be dialed. For area codes by city, search VerifyPhone.com. Area codes telephone differ from region to region, and in some places the area code must be dialed even when calling locally within that region. Find out more with area code decoder.