| 06404 Botsford | 203/475 | Fairfield County | Connecticut (CT) |
| 06440 Hawleyville | 203/475 | Fairfield County | Connecticut (CT) |
| 06468 Monroe | 203/475 | Fairfield County | Connecticut (CT) |
| 06468 Stepney | 203/475 | Fairfield County | Connecticut (CT) |
| 06468 Upper Stepney | 203/475 | Fairfield County | Connecticut (CT) |
| 06470 Newtown | 203/475 | Fairfield County | Connecticut (CT) |
| 06482 Sandy Hook | 203/475 | Fairfield County | Connecticut (CT) |
| 06484 Huntington | 203/475 | Fairfield County | Connecticut (CT) |
| 06484 Shelton | 203/475 | Fairfield County | Connecticut (CT) |
| 06491 Stevenson | 203/475 | Fairfield County | Connecticut (CT) |
| 06497 Stratford | 203/475 | Fairfield County | Connecticut (CT) |
| 06601 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06602 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06604 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06605 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06606 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06607 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06608 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06610 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06611 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06611 Trumbull | 203/475 | Fairfield County | Connecticut (CT) |
| 06612 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06612 Easton | 203/475 | Fairfield County | Connecticut (CT) |
| 06614 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06614 Stratford | 203/475 | Fairfield County | Connecticut (CT) |
| 06615 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06615 Stratford | 203/475 | Fairfield County | Connecticut (CT) |
| 06650 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06650 Stratmar Fulfillment Corp | 203/475 | Fairfield County | Connecticut (CT) |
| 06673 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06673 Promotion Marketing Ser Inc | 203/475 | Fairfield County | Connecticut (CT) |
| 06699 Bridgeport | 203/475 | Fairfield County | Connecticut (CT) |
| 06699 Controlled Distribution | 203/475 | Fairfield County | Connecticut (CT) |
| 06784 Sherman | 203/475 | Fairfield County | Connecticut (CT) |
| 06801 Bethel | 203/475 | Fairfield County | Connecticut (CT) |
| 06804 Brookfield | 203/475 | Fairfield County | Connecticut (CT) |
| 06804 Brookfield Center | 203/475 | Fairfield County | Connecticut (CT) |
| 06804 Brookfld Center | 203/475 | Fairfield County | Connecticut (CT) |
| 06807 Cos Cob | 203/475 | Fairfield County | Connecticut (CT) |
| 06810 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06811 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06812 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06812 New Fairfield | 203/475 | Fairfield County | Connecticut (CT) |
| 06813 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06814 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06814 Shared Zip For Brm | 203/475 | Fairfield County | Connecticut (CT) |
| 06816 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06816 Grolier Entrprz Inc | 203/475 | Fairfield County | Connecticut (CT) |
| 06817 Danbury | 203/475 | Fairfield County | Connecticut (CT) |
| 06817 Union Carbide Corp | 203/475 | Fairfield County | Connecticut (CT) |
| 06820 Darien | 203/475 | Fairfield County | Connecticut (CT) |
| 06820 Noroton | 203/475 | Fairfield County | Connecticut (CT) |
| 06820 Noroton Heights | 203/475 | Fairfield County | Connecticut (CT) |
| 06820 Tokeneke | 203/475 | Fairfield County | Connecticut (CT) |
| 06824 Fairfield | 203/475 | Fairfield County | Connecticut (CT) |
| 06825 Fairfield | 203/475 | Fairfield County | Connecticut (CT) |
| 06828 Fairfield | 203/475 | Fairfield County | Connecticut (CT) |
| 06828 General Electric | 203/475 | Fairfield County | Connecticut (CT) |
| 06829 Georgetown | 203/475 | Fairfield County | Connecticut (CT) |
| 06830 Belle Haven | 203/475 | Fairfield County | Connecticut (CT) |
| 06830 Greenwich | 203/475 | Fairfield County | Connecticut (CT) |
| 06831 Glenville | 203/475 | Fairfield County | Connecticut (CT) |
| 06831 Greenwich | 203/475 | Fairfield County | Connecticut (CT) |
| 06836 Greenwich | 203/475 | Fairfield County | Connecticut (CT) |
| 06838 Greens Farms | 203/475 | Fairfield County | Connecticut (CT) |
| 06840 New Canaan | 203/475 | Fairfield County | Connecticut (CT) |
| 06850 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06851 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06852 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06853 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06853 Rowayton | 203/475 | Fairfield County | Connecticut (CT) |
| 06854 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06854 South Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06855 East Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06855 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06856 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06857 M B I Inc | 203/475 | Fairfield County | Connecticut (CT) |
| 06857 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06858 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06858 Setan Industries | 203/475 | Fairfield County | Connecticut (CT) |
| 06859 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06859 Perkin Elmer Corp | 203/475 | Fairfield County | Connecticut (CT) |
| 06860 Norwalk | 203/475 | Fairfield County | Connecticut (CT) |
| 06860 Shared Zip For Brm | 203/475 | Fairfield County | Connecticut (CT) |
| 06870 Old Greenwich | 203/475 | Fairfield County | Connecticut (CT) |
| 06875 Redding Cen | 203/475 | Fairfield County | Connecticut (CT) |
| 06875 Redding Center | 203/475 | Fairfield County | Connecticut (CT) |
| 06876 Redding Ridge | 203/475 | Fairfield County | Connecticut (CT) |
| 06877 Ridgefield | 203/475 | Fairfield County | Connecticut (CT) |
| 06878 Riverside | 203/475 | Fairfield County | Connecticut (CT) |
| 06879 Promotion Systems Inc | 203/475 | Fairfield County | Connecticut (CT) |
| 06879 Ridgefield | 203/475 | Fairfield County | Connecticut (CT) |
| 06880 Saugatuck | 203/475 | Fairfield County | Connecticut (CT) |
| 06880 Westport | 203/475 | Fairfield County | Connecticut (CT) |
| 06881 Westport | 203/475 | Fairfield County | Connecticut (CT) |
| 06883 Weston | 203/475 | Fairfield County | Connecticut (CT) |
| 06888 Promotional Dev Inc | 203/475 | Fairfield County | Connecticut (CT) |
| 06888 Westport | 203/475 | Fairfield County | Connecticut (CT) |
| 06889 Websters Unified | 203/475 | Fairfield County | Connecticut (CT) |
| 06889 Westport | 203/475 | Fairfield County | Connecticut (CT) |
| 06890 Southport | 203/475 | Fairfield County | Connecticut (CT) |
| 06896 Redding | 203/475 | Fairfield County | Connecticut (CT) |
| 06896 West Redding | 203/475 | Fairfield County | Connecticut (CT) |
| 06897 Wilton | 203/475 | Fairfield County | Connecticut (CT) |
| 06901 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06902 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06903 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06904 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06905 Ridgeway | 203/475 | Fairfield County | Connecticut (CT) |
| 06905 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06906 Glenbrook | 203/475 | Fairfield County | Connecticut (CT) |
| 06906 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06907 Springdale | 203/475 | Fairfield County | Connecticut (CT) |
| 06907 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06910 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06911 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06912 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06913 Shared Zip For Brm | 203/475 | Fairfield County | Connecticut (CT) |
| 06913 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06914 Shared Zip For Brm | 203/475 | Fairfield County | Connecticut (CT) |
| 06914 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06920 Conn National Bank | 203/475 | Fairfield County | Connecticut (CT) |
| 06920 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06921 Champion International | 203/475 | Fairfield County | Connecticut (CT) |
| 06921 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06922 Clairol Co | 203/475 | Fairfield County | Connecticut (CT) |
| 06922 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06925 Conn Bank & Trust | 203/475 | Fairfield County | Connecticut (CT) |
| 06925 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06926 Pitney Bowes Inc | 203/475 | Fairfield County | Connecticut (CT) |
| 06926 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06927 Gecc | 203/475 | Fairfield County | Connecticut (CT) |
| 06927 Stamford | 203/475 | Fairfield County | Connecticut (CT) |
| 06928 International Masters Pub | 203/475 | Fairfield County | Connecticut (CT) |
| 06928 Stamford | 203/475 | Fairfield County | Connecticut (CT) |