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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