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Central Office Codes

Exchange Rate Center State Operating Company
248-792 BIRMINGHAM MI COMCAST PHONE OF MICHIGAN, LLC - MI
248-793 ORTONVILLE MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
248-794 SOUTHFIELD MI NEUTRAL TANDEM-MICHIGAN, LLC - MI
248-796 SOUTHFIELD MI LEVEL 3 COMMUNICATIONS, LLC - MI
248-797 ROYAL OAK MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-798 SOUTHFIELD MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-799 SOUTHFIELD MI AMERITECH MICHIGAN
248-802 CLARKSTON MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
248-804 PONTIAC MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-805 ROCHESTER MI FIRST COMMUNICATIONS, LLC - MI
248-806 PONTIAC MI AMERICAN MESSAGING (AM), INC.
248-807 HOLLY MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-808 ROYAL OAK MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-809 SOUTHFIELD MI COMCAST PHONE OF MICHIGAN, LLC - MI
248-811 MI
248-813 TROY MI AMERITECH MICHIGAN
248-814 LAKE ORION MI AMERITECH MICHIGAN
248-815 PONTIAC MI AMERICAN MESSAGING (AM), INC.
248-816 BIRMINGHAM MI AMERITECH MICHIGAN
248-818 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-819 W BLOOMFLD MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
248-820 HOLLY MI ZENK GROUP LTD. DBA PLANET ACCESS - MI
248-821 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-822 BIRMINGHAM MI AMERITECH MICHIGAN
248-823 TROY MI BROADWING COMMUNICATIONS, LLC - MI
248-824 TROY MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-827 SOUTHFIELD MI AMERITECH MICHIGAN
248-828 TROY MI AMERITECH MICHIGAN
248-829 AUBURN HTS MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-830 PONTIAC MI NEXTEL COMMUNICATIONS, INC.
248-833 BIRMINGHAM MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
248-834 LAKE ORION MI BROADWING COMMUNICATIONS, LLC - MI
248-835 TROY MI SPRINT SPECTRUM L.P.
248-836 PONTIAC MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-837 ROYAL OAK MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-838 PONTIAC MI AMERITECH MICHIGAN
248-840 TROY MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-841 ROCHESTER MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-842 PONTIAC MI SPRINT SPECTRUM L.P.
248-844 AUBURN HTS MI AMERITECH MICHIGAN
248-845 LAKE ORION MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-846 HOLLY MI BROADWING COMMUNICATIONS, LLC - MI
248-848 FARMINGTON MI AMERITECH MICHIGAN
248-849 SOUTHFIELD MI AMERITECH MICHIGAN
248-850 ROYAL OAK MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-851 W BLOOMFLD MI AMERITECH MICHIGAN
248-852 AUBURN HTS MI AMERITECH MICHIGAN
248-853 AUBURN HTS MI AMERITECH MICHIGAN
248-854 TROY MI OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS LLC
248-855 W BLOOMFLD MI AMERITECH MICHIGAN
248-856 AUBURN HTS MI ALLEGIANCE TELECOM OF MICHIGAN, INC.
248-857 PONTIAC MI AMERITECH MICHIGAN
248-858 PONTIAC MI AMERITECH MICHIGAN
248-859 WALLEDLAKE MI BRIGHT HOUSE NTWS INFORMATION SVCS (MICHIGAN) - MI
248-860 PONTIAC MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-862 W BLOOMFLD MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-863 WALLEDLAKE MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
248-864 SOUTHFIELD MI TELCOVE OPERATIONS, INC. - MI
248-865 W BLOOMFLD MI AMERITECH MICHIGAN
248-866 SOUTHFIELD MI NEXTEL COMMUNICATIONS, INC.
248-867 SOUTHFIELD MI NEXTEL COMMUNICATIONS, INC.
248-868 SOUTHFIELD MI ARCH WIRELESS HOLDINGS, INC.
248-869 NORTHVILLE MI TELNET WORLDWIDE, INC.
248-870 SOUTHFIELD MI ARCH WIRELESS HOLDINGS, INC.
248-871 FARMINGTON MI PHONE MICHIGAN
248-872 PONTIAC MI SPRINT SPECTRUM L.P.
248-873 ROYAL OAK MI ARCH WIRELESS HOLDINGS, INC.
248-874 PONTIAC MI AMERITECH MICHIGAN
248-875 PONTIAC MI SPRINT SPECTRUM L.P.
248-876 FARMINGTON MI LEVEL 3 COMMUNICATIONS, LLC - MI
248-877 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-879 TROY MI AMERITECH MICHIGAN
248-880 NORTHVILLE MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-881 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-882 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-883 PONTIAC MI GLOBAL CROSSING TELEMANAGEMENT, INC.-MI
248-884 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-885 BIRMINGHAM MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-886 DRAYTON PL MI AMERITECH MICHIGAN
248-887 MILFDWH LK MI VERIZON NORTH INC.-MI
248-888 FARMINGTON MI AMERITECH MICHIGAN
248-889 MILFDWH LK MI VERIZON NORTH INC.-MI
248-890 ROYAL OAK MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-891 PONTIAC MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-892 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-893 FARMINGTON MI XO MICHIGAN, INC.
248-894 PONTIAC MI SPRINT SPECTRUM L.P.
248-895 PONTIAC MI SPRINT SPECTRUM L.P.
248-896 WALLEDLAKE MI BROADWING COMMUNICATIONS, LLC - MI
248-898 ROYAL OAK MI AMERITECH MICHIGAN
248-899 ORTONVILLE MI TELNET WORLDWIDE, INC.
248-901 BIRMINGHAM MI AMERITECH MICHIGAN
248-902 SOUTHFIELD MI AMERITECH MICHIGAN
248-903 SOUTHFIELD MI AMERITECH MICHIGAN
248-904 PONTIAC MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
248-905 SOUTHFIELD MI AMERITECH MICHIGAN
248-908 PONTIAC MI ARCH WIRELESS HOLDINGS, INC.
248-909 PONTIAC MI NEW CINGULAR WIRELESS PCS, LLC - IL
248-910 SOUTHFIELD MI SPRINT SPECTRUM L.P.
248-911 MI