resources/metadata/81/altformats.csv - external/libphonenumber - Git at Google

 Format       ; Parent Format ; Comment
 XXX XX XXXX  ; varrate_3/3/3 ; "Toll-free, premium-rate and UAN numbers"
 XXX XX XX XX ; varrate_3/3/3
 XXX XXXX XX  ; varrate_3/3/3
	Format ; Parent Format ; Comment
	XXX XX XXXX ; varrate_3/3/3 ; "Toll-free, premium-rate and UAN numbers"
	XXX XX XX XX ; varrate_3/3/3
	XXX XXXX XX ; varrate_3/3/3