01403 Area Code — Horsham, UK
01403 is the UK dialling code for Horsham, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 14 distinct 01403 numbers across 16 public lookups.
Advertisement
Quick facts
Area code
01403
Location
Horsham
Number type
Geographic landline
Number format
01403 XXX XXX
Operators serving
8+
Call cost
Standard rate
Top searched 01403 numbers
These are the 01403 numbers most-looked-up by visitors to our number checker. Click any number to see its full lookup page with risk-level, range holder, and community reports.
| Number | Searches | Last looked up |
|---|---|---|
| 01403 331159 | 2 | 22 May 2026 |
| 01403 338773 | 2 | 18 May 2026 |
| 01403 228057 | 1 | 23 May 2026 |
| 01403 214800 | 1 | 22 May 2026 |
| 01403 603120 | 1 | 20 May 2026 |
| 01403 540163 | 1 | 20 May 2026 |
| 01403 332606 | 1 | 18 May 2026 |
| 01403 731795 | 1 | 16 May 2026 |
| 01403 337068 | 1 | 15 May 2026 |
| 01403 242531 | 1 | 13 May 2026 |
| 01403 331314 | 1 | 13 May 2026 |
| 01403 265700 | 1 | 12 May 2026 |
| 01403 286130 | 1 | 6 May 2026 |
| 01403 824245 | 1 | 28 Apr 2026 |
Operators serving Horsham
These UK communications providers have been allocated 01403 number blocks by Ofcom. The number of blocks per operator gives a rough sense of how widely each provider serves this area.
| Provider (Ofcom-allocated) | Allocated blocks |
|---|---|
| BT | 26 |
| Vodafone Ltd (C&W) | 18 |
| 1XXXX | 10 |
| Gamma Telecom Holdings Limited | 8 |
| Sky UK Limited | 8 |
| TalkTalk Communications Limited | 5 |
| Colt Technology Services | 4 |
| GCI Network Solutions Limited | 3 |
Looking up a specific 01403 number?
If you have the full 10- or 11-digit number, use our free UK Phone Number Checker to see the Ofcom range holder, risk level, and any community reports for that specific number.