Format ; Parent Format ; Comment XX XX XXXXXX ; mobile_5/5 ; "Mobile numbers. These are typically written XXXXX-XXXXX but other formats have\nbeen seen online. Some common ones are listed below." XX XX XX XX XX ; mobile_5/5 79 XXXX XXXX ; mobile_5/5 ; "Two-digit area code fixed-line prefixes that may overlap with mobile, and hence may be formatted as\nXXXXX-XXXXX by default, instead of how they would be if they were recognised as\ngeographical numbers." 80 XXXX XXXX ; mobile_5/5 ; "Two-digit area code fixed-line prefixes that may overlap with mobile, and hence may be formatted as\nXXXXX-XXXXX by default, instead of how they would be if they were recognised as\ngeographical numbers." 7[1-8]X XXX XXXX ; mobile_5/5 ; "Three-digit area code fixed-line prefixes that may overlap with mobile, and hence may be formatted as\nXXXXX-XXXXX by default, instead of how they would be if they were recognised as\ngeographical numbers." 8[1-9]X XXX XXXX ; mobile_5/5 ; "Three-digit area code fixed-line prefixes that may overlap with mobile, and hence may be formatted as\nXXXXX-XXXXX by default, instead of how they would be if they were recognised as\ngeographical numbers." 7[1-7]XX XXX XXX ; mobile_5/5 ; "Four-digit area code fixed-line prefixes that may overlap with mobile, and hence may be formatted as\nXXXXX-XXXXX by default, instead of how they would be if they were recognised as\ngeographical numbers." 80XX XXX XXX ; mobile_5/5 ; "Four-digit area code fixed-line prefixes that may overlap with mobile, and hence may be formatted as\nXXXXX-XXXXX by default, instead of how they would be if they were recognised as\ngeographical numbers."