Telephone numbers beginning with 01289 belong to the Berwick-upon-Tweed charge group.
The following numbers are local calls
to and from this charge group:
01668
018902
018903
018907
018908
The following numbers are regional calls
to and from this charge group:
01361
01368
01573
01578
01620
01665
01669
01835
01896
All other calls are national calls.
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