need contact info

Since NANOG seems to have turned into directory assistance, does anyone
know the preferred, listed, international phone number for the MCI NOC,
not a 1-800, or 1-888 number. Hopefully a number that will be in service
longer than three months. All the non-1800 phone numbers our MCI sales
person locate seem to be DID numbers to individual's voice mail or stop
working when the person leaves MCI.