Telephone numbers beginning with 01899 belong to the Biggar charge group.
The following numbers are local calls
to and from this charge group:
01501
01555
01683
01721
01750
01864
01968
The following numbers are regional calls
to and from this charge group:
01236
01290
0131
01324
01355
01357
01383
0141
01450
01506
01560
01578
01659
01698
01848
01875
01896
All other calls are national calls.
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