Telephone numbers beginning with 01403 belong to the Horsham charge group.
The following numbers are local calls
to and from this charge group:
01273
01293
01306
01428
01444
01483
01798
01903
The following numbers are regional calls
to and from this charge group:
01243
01252
01276
01322
01323
01342
01344
01372
01420
01435
01689
01730
01732
01737
01753
01784
01825
01883
01892
01895
01932
01959
020
All other calls are national calls.
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