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Area Codes > 810 > Central Office Codes

Exchange Rate Center State Operating Company
810-964 FLINT MI NEW CINGULAR WIRELESS PCS, LLC - IL
810-965 FLINT MI CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI
810-966 PORT HURON MI AMERITECH MICHIGAN
810-969 LAPEER MI NEXTEL COMMUNICATIONS, INC.
810-971 PORT HURON MI ARCH WIRELESS HOLDINGS, INC.
810-972 FLINT MI AMERICAN MESSAGING (AM), INC.
810-973 LAPEER MI ARCH WIRELESS HOLDINGS, INC.
810-976 MI
810-982 PORT HURON MI AMERITECH MICHIGAN
810-984 PORT HURON MI AMERITECH MICHIGAN
810-985 PORT HURON MI AMERITECH MICHIGAN
810-986 BRIGHTON MI NEW CINGULAR WIRELESS PCS, LLC - IL
810-987 PORT HURON MI AMERITECH MICHIGAN
810-988 MONTROSE MI TELNET WORLDWIDE, INC.
810-989 PORT HURON MI AMERITECH MICHIGAN
810-990 PORT HURON MI TELEPORT COMMUNICATIONS GROUP AMERICA - MI
810-991 HARTLAND MI LOCAL EXCHANGE CARRIERS OF MICHIGAN, INC.-MI
810-998 MI
810-999 XXXXXXXXXX MI AMERITECH MICHIGAN