Note Servicing Companies FCI Lender Services works in all 50 states. Their phone number is 800-931-2424 x-651. NSC Note Servicing Center works in every state except New York and New Jersey. Their phone number is 559-665-3456 x.305 or x.301. Madison Management Services works in 46 of the 50 states (every state except for Montana, New Hampshire, New York, […]