01403 is the area code for Horsham, West Sussex, UK.
The code also covers Southwater.
Dialling Horsham Phone Numbers from Overseas
To dial a phone number in Horsham from overseas:
- Dial the international access code for the country you are calling from (typically 00, 011, or +)
- Dial the country code for the United Kingdom (44)
- Dial the area code for Horsham without the first zero (1403)
- Dial the phone number of the person/business
- Full example telephone number to dial: 00 44 1403 111111
Dialling Horsham Phone Numbers from the UK
To dial a telephone number in Horsham from within the UK use the area code 01403 plus the number. For example 01403 111111.
If calling a local phone number in Horsham from a landline that also has the area code 01403, the 01403 area code is not needed.

Current Time in Horsham
The current time in Horsham and the UK is . The date is .
Map of Horsham
The map below shows the location of Horsham.
