The following numbers were found to work on a trip in Sept 2005:

Serbia-Montenegro ATS
+381 11 311 7907
+381 11 228 6200

Santorini 
airport manager
+30 22680 28402
airport authority
+30 22860 28403
tower (ATC)
+30 22860 28404
fax 22860 33349
Olympic Handling 22860 31526/31666 fax 28363

Pristina (Montenegro)
+38 138 594 413/414
+38 922 686 231
fax 138 594 412
+38 138 594 400 tower
Podgornica
+38 181 620 570
fax 181 620 544

Nice
+33 493 213 818 ATS

Trieste
+39 0481 773 252 OPS
fax 0481 773 304

Split (Croatia)
+385 21 203 450

Tirana (Albania)
+355 437 1230 ATC
fax  437 5805

Kerkira (Corfu)
+30 26610 89604 ATC
fax 26610 45829