Area Codes > 203 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
203-711 | CT | ||
203-712 | HUNTINGTON | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-713 | MILFORD | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-714 | NAUGATUCK | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-715 | MERIDEN | CT | OMNIPOINT COMMUNICATIONS, INC. - CT |
203-716 | NEW CANAAN | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-717 | NORWALK | CT | GEOTEK COMMUNICATIONS, INC. |
203-718 | CHESHIRE | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-719 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-720 | NAUGATUCK | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-721 | WATERBURY | CT | AT&T LOCAL |
203-722 | NORWALK | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-723 | NAUGATUCK | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-724 | STAMFORD | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-725 | WATERBURY | CT | COX CONNECTICUT TELECOM, LLC |
203-726 | BRIDGEPORT | CT | AQUIS COMMUNICATIONS, INC. |
203-727 | BRIDGEPORT | CT | SPRINT SPECTRUM L.P. |
203-728 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-729 | NAUGATUCK | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-730 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-731 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-732 | ANSONIDRBY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-733 | DANBURY | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-734 | ANSONIDRBY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-735 | ANSONIDRBY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-736 | ANSONIDRBY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-737 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-738 | GUILFORD | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-739 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-740 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-741 | WALLINGFD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-742 | GREENWICH | CT | BROOKS FIBER COMMUNICATIONS - CONNECTICUT |
203-743 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-744 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-745 | NEW HAVEN | CT | SBC INTERNET SERVICES, INC. |
203-746 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-747 | NEW HAVEN | CT | TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
203-748 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-749 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-750 | NORWALK | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-751 | ANSONIDRBY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-752 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-753 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-754 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-755 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-756 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-757 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-758 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-759 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-760 | NORWALK | CT | ARCH WIRELESS HOLDINGS, INC. |
203-761 | WILTON | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-762 | WILTON | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-763 | FAIRFIELD | CT | LEVEL 3 COMMUNICATIONS, LLC - CT |
203-764 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-765 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-766 | NEW HAVEN | CT | AMERICAN MESSAGING (AM), INC. |
203-767 | BRIDGEPORT | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-768 | WATERBURY | CT | OMNIPOINT COMMUNICATIONS, INC. - CT |
203-769 | GREENWICH | CT | VERIZON NEW YORK, INC. |
203-770 | DANBURY | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-771 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-772 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-773 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-774 | WALLINGFD | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-775 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-776 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-777 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-778 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-779 | MADISON | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-780 | WATERBURY | CT | ARCH WIRELESS HOLDINGS, INC. |
203-781 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-782 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-783 | MILFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-784 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-785 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-786 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-787 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-788 | DANBURY | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-789 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-790 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-791 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-792 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-793 | WALLINGFD | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-794 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-795 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-796 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-797 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-798 | DANBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-799 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-801 | NEW CANAAN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-803 | NORWALK | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-804 | NEW HAVEN | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-805 | WATERBURY | CT | TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
203-806 | CHESHIRE | CT | TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
203-807 | NORWALK | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-808 | WATERBURY | CT | OMNIPOINT COMMUNICATIONS, INC. - CT |
203-809 | NEW HAVEN | CT | OMNIPOINT COMMUNICATIONS, INC. - CT |
203-810 | NORWALK | CT | CABLEVISION LIGHTPATH, INC. - CT |
203-811 | CT | ||
203-812 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |