Telephone numbers beginning with 01490 belong to the Corwen charge group.
The following numbers are local calls
to and from this charge group:
01678
01690
01691
01745
01824
01978
The following numbers are regional calls
to and from this charge group:
01244
01341
01352
01492
0151
01650
016866
016868
01743
01766
01829
01928
01938
01939
01948
All other calls are national calls.
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