01420 Area Code — Alton, UK
01420 is the UK dialling code for Alton, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 5 distinct 01420 numbers across 6 public lookups.
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Quick facts
Area code
01420
Location
Alton
Number type
Geographic landline
Number format
01420 XXX XXX
Operators serving
8+
Call cost
Standard rate
Top searched 01420 numbers
These are the 01420 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 |
|---|---|---|
| 01420 544051 | 2 | 15 May 2026 |
| 01420 370018 | 1 | 21 May 2026 |
| 01420 474472 | 1 | 20 May 2026 |
| 01420 549037 | 1 | 15 May 2026 |
| 01420 629501 | 1 | 13 May 2026 |
Operators serving Alton
These UK communications providers have been allocated 01420 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 | 24 |
| Vodafone Ltd (C&W) | 9 |
| Sky UK Limited | 5 |
| TalkTalk Communications Limited | 4 |
| GCI Network Solutions Limited | 3 |
| Verizon UK Limited | 2 |
| AQL Wholesale Ltd | 2 |
| Digital Space Group Limited | 2 |
Looking up a specific 01420 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.