01491 area code: Henley-on-Thames
01491 is the UK dialling code for Henley-on-Thames, in South Oxfordshire, England. Numbers are 01491 followed by 6 digits.
- Area
- Henley-on-Thames
- Where
- South Oxfordshire, England
- Written as
- 01491 xxxxxx
- Digits in a full number
- 11, including the 0
- Calling from abroad
- +44 1491 xxxxxx
- Phone companies holding ranges
- 95 (Ofcom allocation data). This doesn’t show which company a particular number is with, or who uses it.
Where 01491 is
Henley-on-Thames is a town in South Oxfordshire, England.
Could it be someone you know?
A number showing 01491 might look familiar. Check the full number before trusting the caller. It can help to think whether you know someone in or around Henley-on-Thames, Reading or Maidenhead, have used a business there, booked or applied for something nearby, or are expecting a callback.
Codes near Henley-on-Thames
Straight-line distance from Henley-on-Thames.
Does 01491 tell me who called?
No. 01491 is assigned to Henley-on-Thames, but that doesn’t prove who is calling or where they are. Caller ID can be faked, a number keeps its code when it moves provider, and 95 phone companies hold ranges of 01491 numbers. Search the full number to see what people have reported about it and which phone company its range was given to.
Caller says they’re your bank, HMRC, the police or a courier? Hang up and call a number you trust, from your card, a letter or their website, or dial 159 for most UK banks.
Reported 01491 numbers
Nobody has reported an 01491 number to us yet. If one has been calling you, report it so the next person sees it.
Codes, code lengths and provider counts from Ofcom’s numbering data, downloaded 23 September 2026. Places from Wikidata. All UK area codes · Who called me? · Stop spam calls