Exchanges in Area Code 203 (Connecticut) information:

203 - Connecticut

Wikipedia article on Area Code 203
Wikipedia article on Connecticut

Select an Area Code + Exchange:

• 203-723 New Haven, Naugatuck
  Zip:06770 Eastern
• 203-488 New Haven, Branford
  Zip:06405 Eastern
• 203-268 Fairfield, Bridgeport
  Zip:06611 Eastern
• 203-265 New Haven, Wallingford
  Zip:06492 Eastern
• 203-729 New Haven, Naugatuck
  Zip:06770 Eastern
• 203-272 New Haven, Cheshire
  Zip:06410 Eastern
• 203-878 New Haven, Milford
  Zip:06460 Eastern
• 203-888 New Haven, Seymour
  Zip:06483 Eastern
• 203-426 Fairfield, Newtown
  Zip:06470 Eastern
• 203-438 Fairfield, Ridgefield
  Zip:06877 Eastern
• 203-775 Fairfield, Brookfield
  Zip:06804 Eastern
• 203-879 New Haven, Waterbury
  Zip:06716 Eastern
• 203-966 Fairfield, New Canaan
  Zip:06840 Eastern
• 203-469 New Haven, East Haven
  Zip:06512 Eastern
• 203-288 New Haven, Hamden
  Zip:06514 Eastern
• 203-758 New Haven, Prospect
  Zip:06712 Eastern
• 203-468 New Haven, East Haven
  Zip:06512 Eastern
• 203-795 New Haven, Orange
  Zip:06477 Eastern
• 203-227 Fairfield, Saugatuck
  Zip:06880 Eastern
• 203-269 New Haven, Wallingford
  Zip:06492 Eastern
• 203-261 Fairfield, Bridgeport
  Zip:06611 Eastern
• 203-743 Fairfield, Danbury
  Zip:06810 Eastern
• 203-453 New Haven, Guilford
  Zip:06437 Eastern
• 203-755 New Haven, Waterbury
  Zip:06708 Eastern
• 203-877 New Haven, Milford
  Zip:06460 Eastern
• 203-264 New Haven, Southbury
  Zip:06488 Eastern
• 203-389 New Haven, New Haven
  Zip:06515 Eastern
• 203-869 Fairfield, Belle Haven
  Zip:06830 Eastern
• 203-255 Fairfield, Fairfield
  Zip:06824 Eastern
• 203-929 Fairfield, Huntington
  Zip:06484 Eastern
• 203-245 New Haven, Madison
  Zip:06443 Eastern
• 203-481 New Haven, Branford
  Zip:06405 Eastern
• 203-798 Fairfield, Danbury
  Zip:06810 Eastern
• 203-757 New Haven, Waterbury
  Zip:06708 Eastern
• 203-746 Fairfield, Danbury
  Zip:06812 Eastern
• 203-259 Fairfield, Fairfield
  Zip:06824 Eastern
• 203-748 Fairfield, Danbury
  Zip:06810 Eastern
• 203-375 Fairfield, Bridgeport
  Zip:06614 Eastern
• 203-234 New Haven, North Haven
  Zip:06473 Eastern
• 203-661 Fairfield, Belle Haven
  Zip:06830 Eastern
• 203-226 Fairfield, Saugatuck
  Zip:06880 Eastern
• 203-792 Fairfield, Danbury
  Zip:06810 Eastern
• 203-345 Fairfield, Bridgeport
  Zip:06606 Eastern
• 203-248 New Haven, Hamden
  Zip:06514 Eastern
• 203-239 New Haven, North Haven
  Zip:06473 Eastern
• 203-377 Fairfield, Bridgeport
  Zip:06614 Eastern
• 203-467 New Haven, East Haven
  Zip:06512 Eastern
• 203-254 Fairfield, Fairfield
  Zip:06824 Eastern
• 203-655 Fairfield, Darien
  Zip:06820 Eastern
• 203-374 Fairfield, Bridgeport
  Zip:06606 Eastern
• 203-797 Fairfield, Danbury
  Zip:06810 Eastern
• 203-440 New Haven, Meriden
  Zip:06450 Eastern
• 203-637 Fairfield, Old Greenwich
  Zip:06870 Eastern
• 203-378 Fairfield, Bridgeport
  Zip:06614 Eastern
• 203-791 Fairfield, Danbury
  Zip:06810 Eastern
• 203-322 Fairfield, Stamford
  Zip:06903 Eastern
• 203-847 Fairfield, Norwalk
  Zip:06851 Eastern
• 203-874 New Haven, Milford
  Zip:06460 Eastern
• 203-235 New Haven, Meriden
  Zip:06450 Eastern
• 203-777 New Haven, Hamden
  Zip:06511 Eastern
• 203-744 Fairfield, Danbury
  Zip:06810 Eastern
• 203-333 Fairfield, Bridgeport
  Zip:06604 Eastern
• 203-937 New Haven, Allingtown
  Zip:06516 Eastern
• 203-772 New Haven, Hamden
  Zip:06511 Eastern
• 203-938 Fairfield, Redding
  Zip:06896 Eastern
• 203-230 New Haven, Hamden
  Zip:06514 Eastern
• 203-838 Fairfield, Norwalk
  Zip:06854 Eastern
• 203-574 New Haven, Waterbury
  Zip:06708 Eastern
• 203-263 Litchfield, Woodbury
  Zip:06798 Eastern
• 203-934 New Haven, Allingtown
  Zip:06516 Eastern
• 203-270 Fairfield, Newtown
  Zip:06470 Eastern
• 203-324 Fairfield, Stamford
  Zip:06902 Eastern
• 203-924 Fairfield, Huntington
  Zip:06484 Eastern
• 203-372 Fairfield, Bridgeport
  Zip:06606 Eastern
• 203-691 New Haven, Hamden
  Zip:06511 Eastern
• 203-323 Fairfield, Stamford
  Zip:06902 Eastern
• 203-730 Fairfield, Danbury
  Zip:06810 Eastern
• 203-281 New Haven, Hamden
  Zip:06518 Eastern
• 203-762 Fairfield, Wilton
  Zip:06897 Eastern
• 203-787 New Haven, Hamden
  Zip:06511 Eastern
• 203-573 New Haven, Waterbury
  Zip:06708 Eastern
• 203-483 New Haven, Branford
  Zip:06405 Eastern
• 203-734 New Haven, Ansonia
  Zip:06401 Eastern
• 203-387 New Haven, New Haven
  Zip:06515 Eastern
• 203-789 New Haven, Hamden
  Zip:06511 Eastern
• 203-271 New Haven, Cheshire
  Zip:06410 Eastern
• 203-778 Fairfield, Danbury
  Zip:06810 Eastern
• 203-371 Fairfield, Bridgeport
  Zip:06606 Eastern