resources/metadata/228/formats.csv - external/libphonenumber - Git at Google

 Id           ; National      ; International ; Comment
 fmt1_2/2/2/2 ; "XX XX XX XX" ; "XX XX XX XX" ; "Added leading digits so that the shortcodes do not pick this format during AYTF."
	Id ; National ; International ; Comment
	fmt1_2/2/2/2 ; "XX XX XX XX" ; "XX XX XX XX" ; "Added leading digits so that the shortcodes do not pick this format during AYTF."