Telephone numbers beginning with 01204 belong to the Bolton charge group.
The following numbers are local calls
to and from this charge group:
01254
01257
0161
01706
01942
The following numbers are regional calls
to and from this charge group:
01200
01244
01253
01260
01270
01274
01282
01298
01422
01457
01477
01484
0151
01535
01565
01606
01625
01663
01695
01704
01729
01744
01756
01772
01829
01925
01928
01995
All other calls are national calls.
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