Telephone numbers beginning with 01232 belong to the Belfast charge group.
The following numbers are local calls
to and from this charge group:
01238
012472
012474
012475
012478
01846
01849
01960
The following numbers are regional calls
to and from this charge group:
012477
012664
012665
012666
012667
012668
013965
013966
013967
013968
01574
016482
016483
016484
016485
016486
016487
016488
016932
016936
016937
016938
01762
01820
01861
01868
All other calls are national calls.
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