Telephone numbers beginning with 01366 belong to the Downham Market charge group.
The following numbers are local calls
to and from this charge group:
01353
01354
01553
01760
01842
01945
The following numbers are regional calls
to and from this charge group:
01205
01223
01284
01328
01359
01362
01379
01406
01480
01485
01487
01638
01731
01733
01775
01778
01953
01954
All other calls are national calls.
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