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Area Codes > 410 > Central Office Codes

Exchange Rate Center State Operating Company
410-700 MD
410-701 RANDALLSTN MD MCIMETRO, ATS, INC.
410-702 REISTERSTN MD MCIMETRO, ATS, INC.
410-703 ANNAPOLIS MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
410-704 TOWSON MD MCIMETRO, ATS, INC.
410-705 WATERLO236 MD VERIZON MARYLAND, INC.
410-706 BALTIMORE MD VERIZON MARYLAND, INC.
410-707 COLUMBIA MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
410-708 CHESTERTN MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
410-709 SPARROWSPT MD MCIMETRO, ATS, INC.
410-710 BALTIMORE MD OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
410-711 MD
410-712 ELKRIDGE MD VERIZON MARYLAND, INC.
410-713 SALISBURY MD LEVEL 3 COMMUNICATIONS, LLC - MD
410-714 EASTON MD NEW CINGULAR WIRELESS PCS, LLC - DC
410-715 COLUMBIA MD VERIZON MARYLAND, INC.
410-716 TOWSON MD VERIZON MARYLAND, INC.
410-717 ELKRIDGE MD XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD
410-718 CATONSVL MD NEW CINGULAR WIRELESS PCS, LLC - DC
410-719 CATONSVL MD VERIZON MARYLAND, INC.
410-720 ELLICOTTCY MD VERIZON MARYLAND, INC.
410-721 CROFTON MD VERIZON MARYLAND, INC.
410-722 WATERLO236 MD VERIZON MARYLAND, INC.
410-723 OCEAN CITY MD VERIZON MARYLAND, INC.
410-724 WATERLO236 MD VERIZON MARYLAND, INC.
410-725 EASTON MD SPRINT SPECTRUM L.P.
410-726 SALISBURY MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
410-727 BALTIMORE MD VERIZON MARYLAND, INC.
410-728 BALTIMORE MD VERIZON MARYLAND, INC.
410-729 SEVERN MD VERIZON MARYLAND, INC.
410-730 COLUMBIA MD VERIZON MARYLAND, INC.
410-731 ANNAPOLIS MD ARCH WIRELESS HOLDINGS, INC.
410-732 BALTIMORE MD VERIZON MARYLAND, INC.
410-733 CATONSVL MD NEW CINGULAR WIRELESS PCS, LLC - DC
410-734 CHURCHVL MD VERIZON MARYLAND, INC.
410-735 BALTIMORE MD CAVALIER EAST LLC - MD
410-736 BALTIMORE MD VERIZON MARYLAND, INC.
410-737 ARBUTUS MD VERIZON MARYLAND, INC.
410-738 WATERLO236 MD VERIZON MARYLAND, INC.
410-739 CENTREVL MD NEW CINGULAR WIRELESS PCS, LLC - DC
410-740 COLUMBIA MD VERIZON MARYLAND, INC.
410-741 WEST RIVER MD VERIZON MARYLAND, INC.
410-742 SALISBURY MD VERIZON MARYLAND, INC.
410-743 BALTIMORE MD ARCH WIRELESS HOLDINGS, INC.
410-744 CATONSVL MD VERIZON MARYLAND, INC.
410-745 STMICHAELS MD VERIZON MARYLAND, INC.
410-746 BALTIMORE MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
410-747 CATONSVL MD VERIZON MARYLAND, INC.
410-748 ELLICOTTCY MD ARCH WIRELESS HOLDINGS, INC.
410-749 SALISBURY MD VERIZON MARYLAND, INC.
410-750 ELLICOTTCY MD VERIZON MARYLAND, INC.
410-751 WESTMINSTR MD VERIZON MARYLAND, INC.
410-752 BALTIMORE MD VERIZON MARYLAND, INC.
410-753 PIKESVILLE MD MCI WORLDCOM COMMUNICATIONS, INC. - MD
410-754 FEDERALSBG MD VERIZON MARYLAND, INC.
410-755 WARWICK MD VERIZON MARYLAND, INC.
410-756 TANEYTOWN MD VERIZON MARYLAND, INC.
410-757 ANNAPOLIS MD VERIZON MARYLAND, INC.
410-758 CENTREVL MD VERIZON MARYLAND, INC.
410-759 BALTIMORE MD VERIZON MARYLAND, INC.
410-760 GLENBURNIE MD VERIZON MARYLAND, INC.
410-761 GLENBURNIE MD VERIZON MARYLAND, INC.
410-762 GLENBURNIE MD VERIZON MARYLAND, INC.
410-763 EASTON MD VERIZON MARYLAND, INC.
410-764 BALTIMORE MD VERIZON MARYLAND, INC.
410-765 GLENBURNIE MD VERIZON MARYLAND, INC.
410-766 GLENBURNIE MD VERIZON MARYLAND, INC.
410-767 BALTIMORE MD VERIZON MARYLAND, INC.
410-768 GLENBURNIE MD VERIZON MARYLAND, INC.
410-769 TOWSON MD VERIZON MARYLAND, INC.
410-770 EASTON MD VERIZON MARYLAND, INC.
410-771 COCKEYSVL MD VERIZON MARYLAND, INC.
410-772 COLUMBIA MD VERIZON MARYLAND, INC.
410-773 COCKEYSVL MD VERIZON MARYLAND, INC.
410-774 CROFTON MD MCIMETRO, ATS, INC.
410-775 UNION BDG MD VERIZON MARYLAND, INC.
410-776 BEL AIR MD TELEPORT COMMUNICATIONS GROUP AMERICA, INC. - MD
410-777 SEVERNA PK MD MCIMETRO, ATS, INC.
410-778 CHESTERTN MD VERIZON MARYLAND, INC.
410-779 BALTIMORE MD WINSTAR COMMUNICATIONS, LLC - MD
410-780 ESSEX MD VERIZON MARYLAND, INC.
410-781 ELLICOTTCY MD VERIZON MARYLAND, INC.
410-782 ELKRIDGE MD VERIZON MARYLAND, INC.
410-783 BALTIMORE MD VERIZON MARYLAND, INC.
410-784 DEALISLAND MD VERIZON MARYLAND, INC.
410-785 COCKEYSVL MD VERIZON MARYLAND, INC.
410-786 WOODLAWN MD VERIZON MARYLAND, INC.
410-787 GLENBURNIE MD VERIZON MARYLAND, INC.
410-788 CATONSVL MD VERIZON MARYLAND, INC.
410-789 BRYNPKLNCM MD VERIZON MARYLAND, INC.
410-790 TOWSON MD NEW CINGULAR WIRELESS PCS, LLC - DC
410-791 WATERLO236 MD VERIZON MARYLAND, INC.
410-792 WATERLO236 MD VERIZON MARYLAND, INC.
410-793 SEVERNA PK MD VERIZON MARYLAND, INC.
410-794 COLUMBIA MD XSPEDIUS MANAGEMENT CO SWITCHES SERVICES, LLC - MD
410-795 SYKESVILLE MD VERIZON MARYLAND, INC.
410-796 ELKRIDGE MD VERIZON MARYLAND, INC.
410-797 WATERLO236 MD VERIZON MARYLAND, INC.
410-798 WEST RIVER MD VERIZON MARYLAND, INC.
410-799 WATERLO238 MD VERIZON MARYLAND, INC.