Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
IDD n abbr (BRIT) (TEL) (= international direct dialling) пряма́я междунаро́дная связь f
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.
ID abbr (US) (POST) (= Idaho)
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.