Here is the list of PayPal Rest API Supported Country codes

Country or regionCountry or region codePostal code
ALBANIAAL
ALGERIADZ
ANDORRAAD
ANGOLAAO
ANGUILLAAI
ANTIGUA & BARBUDAAG
ARGENTINAARRequired
ARMENIAAM
ARUBAAW
AUSTRALIAAURequired
AUSTRIAATRequired
AZERBAIJANAZ
BAHAMASBS
BAHRAINBH
BARBADOSBB
BELARUSBY
BELGIUMBE
BELIZEBZ
BENINBJ
BERMUDABM
BHUTANBTRequired
BOLIVIABO
BOSNIA & HERZEGOVINABA
BOTSWANABW
BRAZILBRRequired
BRITISH VIRGIN ISLANDSVG
BRUNEIBN
BULGARIABG
BURKINA FASOBF
BURUNDIBI
CAMBODIAKH
CAMEROONCM
CANADACARequired
CAPE VERDECV
CAYMAN ISLANDSKY
CHADTD
CHILECL
CHINAC2Required
COLOMBIACO
COMOROSKMRequired
CONGO – BRAZZAVILLECG
CONGO – KINSHASACD
COOK ISLANDSCK
COSTA RICACR
CÔTE D’IVOIRECI
CROATIAHR
CYPRUSCY
CZECH REPUBLICCZ
DENMARKDKRequired
DJIBOUTIDJ
DOMINICADM
DOMINICAN REPUBLICDO
ECUADOREC
EGYPTEG
EL SALVADORSV
ERITREAER
ESTONIAEE
ETHIOPIAET
FALKLAND ISLANDSFKRequired
FAROE ISLANDSFORequired
FIJIFJ
FINLANDFI
FRANCEFRRequired
FRENCH GUIANAGF
FRENCH POLYNESIAPF
GABONGA
GAMBIAGMRequired
GEORGIAGE
GERMANYDERequired
GIBRALTARGI
GREECEGR
GREENLANDGLRequired
GRENADAGD
GUADELOUPEGP
GUATEMALAGT
GUINEAGN
GUINEA-BISSAUGW
GUYANAGY
HONDURASHN
HONG KONG SAR CHINAHK
HUNGARYHU
ICELANDIS
INDIAIN
INDONESIAID
IRELANDIE
ISRAELIL
ITALYITRequired
JAMAICAJM
JAPANJPRequired
JORDANJO
KAZAKHSTANKZ
KENYAKE
KIRIBATIKIRequired
KUWAITKW
KYRGYZSTANKGRequired
LAOSLA
LATVIALV
LESOTHOLS
LIECHTENSTEINLI
LITHUANIALT
LUXEMBOURGLU
MACEDONIAMK
MADAGASCARMG
MALAWIMWRequired
MALAYSIAMY
MALDIVESMV
MALIML
MALTAMT
MARSHALL ISLANDSMH
MARTINIQUEMQ
MAURITANIAMRRequired
MAURITIUSMU
MAYOTTEYTRequired
MEXICOMXRequired
MICRONESIAFM
MOLDOVAMD
MONACOMC
MONGOLIAMN
MONTENEGROME
MONTSERRATMS
MOROCCOMA
MOZAMBIQUEMZ
NAMIBIANA
NAURUNRRequired
NEPALNP
NETHERLANDSNLRequired
NEW CALEDONIANC
NEW ZEALANDNZ
NICARAGUANI
NIGERNERequired
NIGERIANG
NIUENURequired
NORFOLK ISLANDNFRequired
NORWAYNORequired
OMANOM
PALAUPW
PANAMAPA
PAPUA NEW GUINEAPG
PARAGUAYPY
PERUPE
PHILIPPINESPH
PITCAIRN ISLANDSPNRequired
POLANDPLRequired
PORTUGALPT
QATARQA
RÉUNIONRE
ROMANIARO
RUSSIARURequired
RWANDARW
SAMOAWS
SAN MARINOSM
SÃO TOMÉ & PRÍNCIPEST
SAUDI ARABIASA
SENEGALSN
SERBIARS
SEYCHELLESSC
SIERRA LEONESL
SINGAPORESGRequired
SLOVAKIASK
SLOVENIASI
SOLOMON ISLANDSSB
SOMALIASO
SOUTH AFRICAZA
SOUTH KOREAKR
SPAINESRequired
SRI LANKALK
ST. HELENASHRequired
ST. KITTS & NEVISKN
ST. LUCIALC
ST. PIERRE & MIQUELONPMRequired
ST. VINCENT & GRENADINESVC
SURINAMESRRequired
SVALBARD & JAN MAYENSJRequired
SWAZILANDSZ
SWEDENSERequired
SWITZERLANDCHRequired
TAIWANTW
TAJIKISTANTJ
TANZANIATZ
THAILANDTH
TOGOTG
TONGATO
TRINIDAD & TOBAGOTT
TUNISIATN
TURKMENISTANTM
TURKS & CAICOS ISLANDSTC
TUVALUTVRequired
UGANDAUG
UKRAINEUA
UNITED ARAB EMIRATESAE
UNITED KINGDOMGBRequired
UNITED STATESUSRequired
URUGUAYUY
VANUATUVU
VATICAN CITYVARequired
VENEZUELAVE
VIETNAMVN
WALLIS & FUTUNAWFRequired
YEMENYE
ZAMBIAZM
ZIMBABWEZW