citc-logoCommunication and Information Technology Commission will change the current 9-digit landline telephone number to 10-digits by adding the digit 1 to the six geographical zone codes in May and August.

According to CITC, the Riyadh area code will change from 01 to 011 on May 13.

Dialing among fixed lines in the same city will remain the same however, the new digit must be added when dialing from mobiles to fixed lines, Arab News reported.

The new codes for other 5 regions will be implemented on August 18 and will be as follows:

Makkah 012

Madinah 014

Eastern Province 013

Qassim 016

Southern Province 017