01491 Area Code — Henley-on-Thames, UK
01491 is the UK dialling code for Henley-on-Thames, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 10 distinct 01491 numbers across 12 public lookups.
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Quick facts
Area code
01491
Location
Henley-on-Thames
Number type
Geographic landline
Number format
01491 XXX XXX
Operators serving
8+
Call cost
Standard rate
Top searched 01491 numbers
These are the 01491 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 |
|---|---|---|
| 01491 528323 | 2 | 20 May 2026 |
| 01491 743044 | 2 | 15 May 2026 |
| 01491 527533 | 1 | 22 May 2026 |
| 01491 743085 | 1 | 22 May 2026 |
| 01491 636824 | 1 | 18 May 2026 |
| 01491 522751 | 1 | 18 May 2026 |
| 01491 577743 | 1 | 16 May 2026 |
| 01491 242888 | 1 | 15 May 2026 |
| 01491 528325 | 1 | 1 May 2026 |
| 01491 573955 | 1 | 1 May 2026 |
Operators serving Henley-on-Thames
These UK communications providers have been allocated 01491 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 | 17 |
| GCI Network Solutions Limited | 12 |
| Virgin Media Limited | 6 |
| Vodafone Ltd (C&W) | 6 |
| GTT-EMEA LTD | 4 |
| Resilient Limited | 3 |
| TalkTalk Communications Limited | 3 |
| Served Up Limited | 2 |
Looking up a specific 01491 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.