Harrow business phone numbers (020)
Harrow is a town in Greater London, England (local authority: London Borough of Harrow), population 149,246. Its landline dialling code is 020, the London exchange area, which Harrow shares with 35 other towns such as Wembley and Borehamwood. On 8 November 2026 Silux Call had 50 numbers on 020 available to order, for example 020 3137 2436.
Harrow at a glance
- Dialling code
- 020
- Numbers in stock
- 50 (live, 8 November 2026)
- Local authority
- London Borough of Harrow
- County
- Greater London
- Nation / region
- London, England
- Status
- Town
- Population
- 149,246
- Coordinates
- 51.584, -0.346
Place data: Wikidata Q54961 (retrieved 26 September 2026). Codes: Ofcom geographic area codes. Stock: Silux Call number catalogue.
020 numbers you can order now
- 020 3137 2436
- 020 3137 2508
- 020 3137 2593
- 020 3137 2629
- 020 3137 2251
- 020 3137 2322
Other towns on 020
- Wembley 4.2 km
- Borehamwood 9.7 km
- Finchley 11.1 km
- Barnet 12.2 km
- Hounslow 13 km
- Richmond 14.5 km
- Twickenham 15 km
- Putney 15.8 km
- City of Westminster 17.3 km
- London 17.4 km
Towns near Harrow
| Town | Distance | Code | Area |
|---|---|---|---|
| Hatch End | 2.7 km | — | Greater London |
| Stanmore | 4 km | — | Greater London |
| Wembley | 4.2 km | 020 | Greater London |
| Northolt | 4.4 km | — | Greater London |
| Northwood | 5.3 km | — | Greater London |
| Edgware | 6.4 km | — | Greater London |
Harrow: questions answered
What is the dialling code for Harrow?
Harrow uses 020 (London). From outside the UK dial +44 20 then the local number.
How many numbers on 020 can I get from Silux Call?
50 numbers on 020 were available on 8 November 2026. You pick the exact number at checkout; your first number is included with any paid plan and extra numbers cost £5.99 a month.
Which other towns use 020?
Nearest first: Wembley (4.2 km), Borehamwood (9.7 km), Finchley (11.1 km), Barnet (12.2 km), Hounslow (13 km), Richmond (14.5 km), and 29 more.
Which towns are near Harrow?
Hatch End (2.7 km), Stanmore (4 km), Wembley (4.2 km, 020), Northolt (4.4 km), Northwood (5.3 km).
Can a Harrow business get an 0345 or 0330 number instead of a local one?
Yes. Alongside a 020 local number you can add a UK-wide 0345 or 0330 number for £4.99 a month (ex VAT, no setup fee, no contract), or an 0800 freephone number. 0345 and 0330 cost callers the same as a local call; 0345 is the range that replaced 0845.
Can I move my existing Harrow number to Silux Call?
Yes, if it is a UK geographic number. Porting is free on every paid plan, is handled by our team, and typically takes approximately 14 working days from submission.
Plans
A month, ex VAT, each with 1 UK landline number: Entry £4.75 (1 user), Plus £8.95 (99p for 2 months) (3 users), Growth £11.95 (6 users), Pro £18.95 (10 users). Extra landlines £5.99 a month. 7-day Free Trial, no card.
Compare plansSearch all UK numbersAll UK townsAll UK area codes0345 numbers0330 numbers0800 numbers