Rhondda Cynon Taf - Rhondda Cynon Taf has been allocated the following number ranges to use for Unique Street Reference Numbers
| USRN From | USRN To |
|---|---|
| 47400000 | 47499999 |
Streets within the area of Rhondda Cynon Taf - Rhondda Cynon Taf fall within the following post towns.
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