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

State nameState code
AlabamaAL
AlaskaAK
ArizonaAZ
ArkansasAR
CaliforniaCA
ColoradoCO
ConnecticutCT
DelawareDE
District of ColumbiaDC
FloridaFL
GeorgiaGA
HawaiiHI
IdahoID
IllinoisIL
IndianaIN
IowaIA
KansasKS
KentuckyKY
LouisianaLA
MaineME
MarylandMD
MassachusettsMA
MichiganMI
MinnesotaMN
MississippiMS
MissouriMO
MontanaMT
NebraskaNE
NevadaNV
New HampshireNH
New JerseyNJ
New MexicoNM
New YorkNY
North CarolinaNC
North DakotaND
OhioOH
OklahomaOK
OregonOR
PennsylvaniaPA
Puerto RicoPR
Rhode IslandRI
South CarolinaSC
South DakotaSD
TennesseeTN
TexasTX
UtahUT
VermontVT
VirginiaVA
WashingtonWA
West VirginiaWV
WisconsinWI
WyomingWY

Armed forces APO

State nameState code
Armed Forces AmericasAA
Armed Forces EuropeAE
Armed Forces PacificAP

Outlying areas

State nameState code
American SamoaAS
Federated States of MicronesiaFM
GuamGU
Marshall IslandsMH
Northern Mariana IslandsMP
PalauPW
Virgin IslandsVI