You can make a Street Naming and Numbering request online​​​​​​​. You will need to register first and then select the link for “Street Naming and Numbering” in the drop down list.​
Gallwch wneud ceisiadau Enwi Strydoedd a Rhifo ar-lein​​​​​​​. Bydd angen i chi gofrestru gyntaf ac yna dewis y ddolen ar gyfer “Enwi Strydoedd a Rhifo” yn y gwymplen.