If this project helped you, consider
ISPC 2020 from LIST OF INTERNATIONAL SIGNALLING POINT CODES (ISPC) (ACCORDING TO RECOMMENDATION ITU-T Q.708 (03/99)) (POSITION ON 1 JULY 2020)
seperated by country i.e {"country":[{},{},{},{},{},etc.],"country":[{},{},{},{},{},etc.]}
each array is as follows :
'ispc' =ISPC
'dec' = DEC
'usp' = Unique name of the signalling point
'nsp' = Name of the signalling point operator
some usp's are empty so replaced with # tag