We are responsible for the naming of all roads and streets, and for the naming and numbering of all properties (residential, commercial and industrial) within the County of Carmarthenshire
Rydym yn gyfrifol am enwi'r holl ffyrdd a strydoedd, ac am enwi a rhifo'r holl eiddo (preswyl, masnachol a diwydiannol) yn Sir Caerfyrddin