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Central Office Codes

Exchange Rate Center State Operating Company
231-790 FREESOIL MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
231-791 REED CITY MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
231-792 MANCELONA MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-793 WHITECLOUD MI LUCRE, INC.
231-794 MANISTEE MI DOBSON CELLULAR SYSTEMS, INC.
231-796 BIG RAPIDS MI AMERITECH MICHIGAN
231-797 LUTHER MI AMERITECH MICHIGAN
231-798 MUSKEGON MI VERIZON NORTH INC.-MI
231-799 MUSKEGON MI VERIZON NORTH INC.-MI
231-803 MORLEY MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-805 KALEVA MI ACD TELECOM, INC. - MI
231-806 CORAL MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-808 CENTRAL LK MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-811 MI
231-813 LUDINGTON MI LUCRE, INC.
231-818 CHEBOYGAN MI DOBSON CELLULAR SYSTEMS, INC.
231-821 HOLTON MI VERIZON NORTH INC.-MI
231-822 BEULAH MI TELNET WORLDWIDE, INC.
231-823 STANWOOD MI VERIZON NORTH INC.-MI
231-824 MANTON MI AMERITECH MICHIGAN
231-825 MCBAIN MI AMERITECH MICHIGAN
231-826 FALMOUTH MI CENTURY TELEPHONE CO. OF NORTHERN MICHIGAN
231-827 FIFE LAKE MI LUCRE, INC.
231-828 TWIN LAKE MI VERIZON NORTH INC.-MI
231-829 TUSTIN MI AMERITECH MICHIGAN
231-830 MUSKEGON MI VERIZON NORTH INC.-MI
231-832 REED CITY MI AMERITECH MICHIGAN
231-833 WOLVERINE MI DOBSON CELLULAR SYSTEMS, INC.
231-834 GRANT MI AMERITECH MICHIGAN
231-835 GLEN LAKE MI DOBSON CELLULAR SYSTEMS, INC.
231-836 EVART MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-837 FREMONT MI AMERICAN MESSAGING (AM), INC.
231-838 PETOSKEY MI DOBSON CELLULAR SYSTEMS, INC.
231-839 LAKE CITY MI CENTURYTEL OF MICHIGAN, INC.
231-842 CADILLAC MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-843 LUDINGTON MI VERIZON NORTH INC.-MI
231-844 INDIAN RIV MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-845 LUDINGTON MI VERIZON NORTH INC.-MI
231-846 CADILLAC MI NEXTEL COMMUNICATIONS, INC.
231-848 WELLSTON MI KALEVA TELEPHONE CO.
231-852 LUDINGTON MI DOBSON CELLULAR SYSTEMS, INC.
231-853 RAVENNA MI VERIZON NORTH INC.-MI
231-854 HESPERIA MI VERIZON NORTH INC.-MI
231-855 MUSKEGON MI DOBSON CELLULAR SYSTEMS, INC.
231-856 MORLEY MI AMERITECH MICHIGAN
231-859 DUBLIN MI KALEVA TELEPHONE CO.
231-861 SHELBY MI VERIZON NORTH INC.-MI
231-862 HOXEYVILLE MI ACE TELEPHONE CO. OF MICHIGAN, INC.
231-863 SCOTTVILLE MI LUCRE, INC.
231-864 BEAR LAKE MI CENTURYTEL OF MICHIGAN, INC.
231-865 FRUITPORT MI VERIZON NORTH INC.-MI
231-866 SUTTONSBAY MI DOBSON CELLULAR SYSTEMS, INC.
231-867 CHIPPEWALK MI CENTURYTEL MIDWEST-MIDWEST, INC.
231-869 PENTWATER MI VERIZON NORTH INC.-MI
231-871 BEULAH MI DOBSON CELLULAR SYSTEMS, INC.
231-872 REED CITY MI DOBSON CELLULAR SYSTEMS, INC.
231-873 HART MI VERIZON NORTH INC.-MI
231-874 WOLVERINE MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-875 FRUITPORT MI LUCRE, INC.
231-876 CADILLAC MI AMERITECH MICHIGAN
231-877 NORTHPORT MI LUCRE, INC.
231-878 CADILLAC MI ALLTEL COMMUNICATIONS, INC. - MI
231-879 FIFE LAKE MI AMERITECH MICHIGAN
231-881 PETOSKEY MI DOBSON CELLULAR SYSTEMS, INC.
231-882 BEULAH MI AMERITECH MICHIGAN
231-883 TRAVERSECY MI DOBSON CELLULAR SYSTEMS, INC.
231-884 CADILLAC MI DOBSON CELLULAR SYSTEMS, INC.
231-885 MESICK MI ACE TELEPHONE CO. OF MICHIGAN, INC.
231-886 KALKASKA MI DOBSON CELLULAR SYSTEMS, INC.
231-887 MANISTEE MI DOBSON CELLULAR SYSTEMS, INC.
231-889 ONEKAMA MI AMERITECH MICHIGAN
231-890 TRAVERSECY MI AMERITECH MICHIGAN
231-893 WHITEHALL MI VERIZON NORTH INC.-MI
231-894 WHITEHALL MI VERIZON NORTH INC.-MI
231-896 CORAL MI LUCRE, INC.
231-898 CARR MI CARR TELEPHONE CO.
231-899 NORTHPORT MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-902 HART MI TELNET WORLDWIDE, INC.
231-903 MUSKEGON MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-907 LUDINGTON MI DOBSON CELLULAR SYSTEMS, INC.
231-908 MCBAIN MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-911 MI
231-912 REED CITY MI DOBSON CELLULAR SYSTEMS, INC.
231-916 MANCELONA MI LEVEL 3 COMMUNICATIONS, LLC - MI
231-920 CADILLAC MI DOBSON CELLULAR SYSTEMS, INC.
231-922 TRAVERSECY MI AMERITECH MICHIGAN
231-923 HART MI NEXTEL COMMUNICATIONS, INC.
231-924 FREMONT MI AMERITECH MICHIGAN
231-925 SCOTTVILLE MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
231-926 KALKASKA MI LUCRE, INC.
231-928 FREMONT MI AMERITECH MICHIGAN
231-929 TRAVERSECY MI AMERITECH MICHIGAN
231-930 BEULAH MI ACD TELECOM, INC. - MI
231-931 MANCELONA MI ARCH WIRELESS HOLDINGS, INC.
231-932 TRAVERSECY MI AMERITECH MICHIGAN
231-933 TRAVERSECY MI AMERITECH MICHIGAN
231-935 TRAVERSECY MI AMERITECH MICHIGAN
231-936 SCOTTVILLE MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
231-937 HOWARDCITY MI VERIZON NORTH INC.-MI
231-938 TRAVERSECY MI AMERITECH MICHIGAN