Northallerton charge group

Telephone numbers beginning with 01609 belong to the Northallerton charge group.

The following numbers are local calls to and from this charge group:
01325 01439 01642 01677 01748 01845

The following numbers are regional calls to and from this charge group:
01287 01347 013884 013886 013887 013888 014232 014233 014235 014236 014237 014238 01429 01653 01740 01751 01765 01833 01904 0191 (numbers beginning 3) 01937 01943 01947 01969

All other calls are national calls.

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