Telephone numbers beginning with 014375 belong to the Clunderwen charge group.
The following numbers are local calls
to and from this charge group:
01239
01348
014377
014378
01834
01994
The following numbers are regional calls
to and from this charge group:
01267
01269
01545
01554
01558
01559
01570
01646
All other calls are national calls.
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