Here is the list of valid Indonesia’s PayPal state and province codes 

Province nameProvince code
BaliID-BA
Bangka BelitungID-BB
BantenID-BT
BengkuluID-BE
DI YogyakartaID-YO
DKI JakartaID-JK
GorontaloID-GO
JambiID-JA
Jawa BaratID-JB
Jawa TengahID-JT
Jawa TimurID-JI
Kalimantan BaratID-KB
Kalimantan SelatanID-KS
Kalimantan TengahID-KT
Kalimantan TimurID-KI
Kalimantan UtaraID-KU
Kepulauan RiauID-KR
LampungID-LA
MalukuID-MA
Maluku UtaraID-MU
Nanggroe Aceh DarussalamID-AC
Nusa Tenggara BaratID-NB
Nusa Tenggara TimurID-NT
PapuaID-PA
Papua BaratID-PB
RiauID-RI
Sulawesi BaratID-SR
Sulawesi SelatanID-SN
Sulawesi TengahID-ST
Sulawesi TenggaraID-SG
Sulawesi UtaraID-SA
Sumatera BaratID-SB
Sumatera SelatanID-SS
Sumatera UtaraID-SU