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Area Codes > 517 > Central Office Codes

Exchange Rate Center State Operating Company
517-668 DE WITT MI VERIZON NORTH INC.-MI
517-669 DE WITT MI VERIZON NORTH INC.-MI
517-671 TEKONSHA MI TELNET WORLDWIDE, INC.
517-672 HOWELL MI SPRINT SPECTRUM L.P.
517-673 ADRIAN MI NEXTEL COMMUNICATIONS, INC.
517-675 SHAFTSBURG MI SHIAWASSEE TELEPHONE CO.
517-676 MASON MI AMERITECH MICHIGAN
517-677 COLDWATER MI SPRINT SPECTRUM L.P.
517-679 LANSING MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-680 ALBION MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-682 BLISSFIELD MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-684 NAPOLEON MI ACD TELECOM, INC. - MI
517-686 ALBION MI AT&T LOCAL
517-688 BUNDY HILL MI FRONTIER COMMUNICATIONS OF MICHIGAN, INC.
517-689 HILLSDALE MI TELNET WORLDWIDE, INC.
517-691 SHAFTSBURG MI ACD TELECOM, INC. - MI
517-692 SPRINGPORT MI ACD TELECOM, INC. - MI
517-694 HOLT MI AMERITECH MICHIGAN
517-695 RANSOM MI ACD TELECOM, INC. - MI
517-696 PRATTVILLE MI ACD TELECOM, INC. - MI
517-697 PERRY MI ACD TELECOM, INC. - MI
517-698 NORTHADAMS MI ACD TELECOM, INC. - MI
517-699 HOLT MI AMERITECH MICHIGAN
517-700 MI
517-701 CLINTON MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-702 LANSING MI AMERITECH MICHIGAN
517-703 LANSING MI AMERITECH MICHIGAN
517-705 BURLINGTON MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-706 LANSING MI AMERITECH MICHIGAN
517-708 LANSING MI CYNERGYCOMM.NET, INC. - MI
517-709 HOLT MI BROOKS FIBER COMMUNICATIONS - MICHIGAN
517-710 STOCKBDG MI TELNET WORLDWIDE, INC.
517-711 MI
517-712 LANSING MI NEXTEL COMMUNICATIONS, INC.
517-714 BURLINGTON MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-715 LANSING MI CENTURYTEL SOLUTIONS, LLC - MI
517-716 PARMA MI TELNET WORLDWIDE, INC.
517-717 WILLIAMSTN MI TELNET WORLDWIDE, INC.
517-719 LANSING MI NEXTEL COMMUNICATIONS, INC.
517-721 LANSING MI AMERITECH MICHIGAN
517-724 HOMER MI TELNET WORLDWIDE, INC.
517-726 VERMONTVL MI AMERITECH MICHIGAN
517-727 CHARLOTTE MI TELNET WORLDWIDE, INC.
517-728 TEKONSHA MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-732 PORTLAND MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-736 COLDWATER MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-740 JACKSON MI ALLTEL COMMUNICATIONS, INC. - MI
517-741 UNION CITY MI VERIZON NORTH INC.-MI
517-743 PORTLAND MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-745 JACKSON MI ALLTEL COMMUNICATIONS, INC. - MI
517-748 JACKSON MI SBC INTERNET SERVICES, INC.
517-749 LANSING MI NEXTEL COMMUNICATIONS, INC.
517-750 JACKSON MI AMERITECH MICHIGAN
517-753 COLDWATER MI TELNET WORLDWIDE, INC.
517-755 LANSING MI NEW CINGULAR WIRELESS PCS, LLC - IL
517-756 UNION CITY MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-759 ADRIAN MI CENTURYTEL WIRELESS, INC.-MI
517-760 NASHVILLE MI ACD TELECOM, INC. - MI
517-762 DANSVILLE MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-763 LANSING MI AMERITECH MICHIGAN
517-764 JACKSON MI AMERITECH MICHIGAN
517-765 BURLINGTON MI VERIZON NORTH INC.-MI (ALLTEL)
517-766 ONONDAGA MI TELNET WORLDWIDE, INC.
517-767 TEKONSHA MI VERIZON NORTH INC.-MI (ALLTEL)
517-768 JACKSON MI AMERITECH MICHIGAN
517-769 JACKSON MI AMERITECH MICHIGAN
517-772 DANSVILLE MI TELNET WORLDWIDE, INC.
517-774 COLDWTR LK MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-775 LANSING MI NEW CINGULAR WIRELESS PCS, LLC - IL
517-778 MI AMERITECH ILLINOIS
517-780 JACKSON MI AMERITECH MICHIGAN
517-781 COLDWATER MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-782 JACKSON MI AMERITECH MICHIGAN
517-783 JACKSON MI AMERITECH MICHIGAN
517-784 JACKSON MI AMERITECH MICHIGAN
517-785 ONONDAGA MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
517-787 JACKSON MI AMERITECH MICHIGAN
517-788 JACKSON MI AMERITECH MICHIGAN
517-789 JACKSON MI AMERITECH MICHIGAN
517-790 MOSHERVL MI ACD TELECOM, INC. - MI
517-792 MONTGOMERY MI ACD TELECOM, INC. - MI
517-793 LITCHFIELD MI ACD TELECOM, INC. - MI
517-794 LANSING MI AMERICAN MESSAGING (AM), INC.
517-795 JACKSON MI NEXTEL COMMUNICATIONS, INC.
517-796 JACKSON MI AMERITECH MICHIGAN
517-797 HILLSDALE MI LONG DISTANCE OF MICHIGAN, INC. DBA LDMI - MI
517-802 LANSING MI AMERITECH MICHIGAN
517-803 LANSING MI LEVEL 3 COMMUNICATIONS, LLC - MI
517-804 FOWLERVL MI AMERICAN MESSAGING (AM), INC.
517-806 FOWLERVL MI ARCH WIRELESS HOLDINGS, INC.
517-809 TECUMSEH MI TELNET WORLDWIDE, INC.
517-811 MI
517-812 JACKSON MI NEXTEL COMMUNICATIONS, INC.
517-813 BLISSFIELD MI TELNET WORLDWIDE, INC.
517-815 TECUMSEH MI VERIZON NORTH INC.-MI
517-816 LANSING MI CENTURYTEL ACQ., LLC DBA KMC TELECOM III, LLC - MI
517-817 JACKSON MI AMERITECH MICHIGAN
517-819 LANSING MI NEXTEL COMMUNICATIONS, INC.
517-825 HILLSDALE MI CENTURYTEL WIRELESS, INC.-MI
517-826 JONESVILLE MI LEVEL 3 COMMUNICATIONS, LLC - MI