Telephone numbers beginning with 01440 belong to the Haverhill charge group.
The following numbers are local calls
to and from this charge group:
01223
01284
01371
01638
01787
01799
The following numbers are regional calls
to and from this charge group:
01206
01245
01255
01277
01279
01353
01354
01359
01376
01438
01449
01462
01473
01480
01487
01621
01763
01767
01842
01920
01954
01992
All other calls are national calls.
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