phonenumberingscheme
nounUK /ˈfəʊnˌnʌmbərɪŋ skiːm/
US /ˈfoʊnˌnʌmbərɪŋ skiːm/
A plan for how phone numbers are made and given out.
The phone numbering scheme makes sure every phone has its own special number.
OTHER MEANINGS
2. The set of rules a country uses to organize all its telephone numbers.
Each country has its own phone numbering scheme managed by a regulator.
3. A system that decides which number ranges belong to which phone company or region.
The new phone numbering scheme gave the growing city extra area codes.
4. A technical plan for routing calls using assigned number blocks.
Engineers updated the phone numbering scheme to support more mobile users.