Telephone numbers beginning with 01600 belong to the Monmouth charge group.
The following numbers are local calls
to and from this charge group:
01291
01594
01873
01981
01989
The following numbers are regional calls
to and from this charge group:
0117
01222
01225
01242
01275
01285
01432
01443
01452
01453
01454
01495
01497
01531
01544
01568
01633
01666
01684
01685
01874
01885
01886
01905
01934
All other calls are national calls.
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