Area Codes > 203 > Central Office Codes
Exchange | Rate Center | State | Operating Company |
---|---|---|---|
203-608 | MERIDEN | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-609 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-610 | BRIDGEPORT | CT | CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT |
203-611 | CT | ||
203-612 | BRIDGEPORT | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-613 | NORWALK | CT | SPRINT SPECTRUM L.P. |
203-614 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-615 | BRIDGEPORT | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-616 | DANBURY | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-617 | DANBURY | CT | SPRINT SPECTRUM L.P. |
203-618 | GREENWICH | CT | VERIZON NEW YORK, INC. |
203-619 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-620 | DARIEN | CT | BROOKS FIBER COMMUNICATIONS - CONNECTICUT |
203-621 | DARIEN | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-622 | GREENWICH | CT | VERIZON NEW YORK, INC. |
203-623 | NEW HAVEN | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-624 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-625 | GREENWICH | CT | VERIZON NEW YORK, INC. |
203-626 | WALLINGFD | CT | AT&T LOCAL |
203-627 | NEW HAVEN | CT | NEXTEL COMMUNICATIONS, INC. |
203-628 | DANBURY | CT | CABLEVISION LIGHTPATH, INC. - CT |
203-629 | GREENWICH | CT | VERIZON NEW YORK, INC. |
203-630 | MERIDEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-631 | MERIDEN | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-632 | NAUGATUCK | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-633 | WOLCOTT | CT | LEVEL 3 COMMUNICATIONS, LLC - CT |
203-634 | MERIDEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-635 | WESTPORT | CT | LEVEL 3 COMMUNICATIONS, LLC - CT |
203-636 | DARIEN | CT | BROOKS FIBER COMMUNICATIONS - CONNECTICUT |
203-637 | OLDGRNWICH | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-638 | TRUMBULL | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-639 | MERIDEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-640 | NEW HAVEN | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-641 | NEW HAVEN | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-642 | NORWALK | CT | BROOKS FIBER COMMUNICATIONS - CONNECTICUT |
203-643 | BRANFORD | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-644 | NORWALK | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-645 | NEW HAVEN | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |
203-646 | BRANFORD | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-647 | MILFORD | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-648 | DANBURY | CT | LEVEL 3 COMMUNICATIONS, LLC - CT |
203-649 | CHESHIRE | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-650 | BRIDGEPORT | CT | NEXTEL COMMUNICATIONS, INC. |
203-651 | CHESHIRE | CT | CHOICE ONE COMMUNICATIONS, INC. - CT |
203-652 | NEW CANAAN | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-653 | STAMFORD | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-654 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-655 | DARIEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-656 | DARIEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-657 | NEW HAVEN | CT | AMERICAN MESSAGING (AM), INC. |
203-658 | STAMFORD | CT | TELEPORT COMMUNICATIONS GROUP - NEW YORK - CT |
203-659 | FAIRFIELD | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-660 | BYRAM | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-661 | GREENWICH | CT | VERIZON NEW YORK, INC. |
203-662 | DARIEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-663 | NORWALK | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-664 | REDDING | CT | CABLEVISION LIGHTPATH, INC. - CT |
203-665 | WILTON | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-667 | STAMFORD | CT | NEXTEL COMMUNICATIONS, INC. |
203-668 | NEW HAVEN | CT | SPRINT SPECTRUM L.P. |
203-669 | DARIEN | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-670 | WATERBURY | CT | AMERICAN MESSAGING (AM), INC. |
203-671 | NEW HAVEN | CT | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT |
203-672 | NEW HAVEN | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-673 | BRIDGEPORT | CT | AT&T LOCAL |
203-674 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-675 | NEW HAVEN | CT | SPRINT SPECTRUM L.P. |
203-676 | NEW HAVEN | CT | SPRINT SPECTRUM L.P. |
203-677 | WALLINGFD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-678 | WALLINGFD | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-679 | WALLINGFD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-680 | WATERBURY | CT | ARCH WIRELESS HOLDINGS, INC. |
203-681 | BYRAM | CT | VERIZON NEW YORK, INC. |
203-682 | WESTPORT | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-683 | BRIDGEPORT | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-685 | BRIDGEPORT | CT | OMNIPOINT COMMUNICATIONS, INC. - CT |
203-686 | MERIDEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-687 | NEW HAVEN | CT | LEVEL 3 COMMUNICATIONS, LLC - CT |
203-688 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-689 | GUILFORD | CT | AT&T LOCAL |
203-690 | BRIDGEPORT | CT | OMNIPOINT COMMUNICATIONS, INC. - CT |
203-691 | NEW HAVEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-692 | FAIRFIELD | CT | GLOBAL CROSSING LOCAL SERVICES, INC.-CT |
203-694 | MERIDEN | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-695 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-696 | BRIDGEPORT | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-697 | WALLINGFD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-698 | OLDGRNWICH | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-699 | CHESHIRE | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-700 | CT | ||
203-701 | MILFORD | CT | AT&T LOCAL |
203-702 | DANBURY | CT | PAETEC COMMUNICATIONS, INC. - CT |
203-703 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-704 | WOLCOTT | CT | BROADWING COMMUNICATIONS, LLC - CT |
203-705 | STAMFORD | CT | BROOKS FIBER COMMUNICATIONS - CONNECTICUT |
203-706 | WATERBURY | CT | CTC COMMUNICATIONS - CT |
203-707 | GREENWICH | CT | BROADBAND OFFICE COMMUNICATIONS, INC. - CT |
203-708 | STAMFORD | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-709 | WATERBURY | CT | SOUTHERN NEW ENGLAND TELEPHONE CO. |
203-710 | NEW HAVEN | CT | NEW CINGULAR WIRELESS PCS, LLC - MA |