Harwich business phone numbers (01255)
Harwich is a town in Essex, England (local authority: Tendring), population 18,794 (2021). Its landline dialling code is 01255, the Clacton-on-Sea exchange area, which Harwich shares with 4 other towns such as Dovercourt and Walton-on-the-Naze. On 18 October 2026 Silux Call had 50 numbers on 01255 available to order, for example 01255 411718.
Harwich at a glance
- Dialling code
- 01255
- Numbers in stock
- 50 (live, 18 October 2026)
- Local authority
- Tendring
- County
- Essex
- Nation / region
- East of England, England
- Status
- Town
- Population
- 18,794 (2021)
- Coordinates
- 51.944, 1.288
Place data: Wikidata Q990616 (retrieved 26 September 2026). Codes: Ofcom geographic area codes. Stock: Silux Call number catalogue.
01255 numbers you can order now
- 01255 411718
- 01255 411646
- 01255 411672
- 01255 411681
- 01255 411689
- 01255 411697
Other towns on 01255
- Dovercourt 2.3 km
- Walton-on-the-Naze 10.8 km
- Frinton-on-Sea 12.8 km
- Clacton-on-Sea 19.6 km
Towns near Harwich
| Town | Distance | Code | Area |
|---|---|---|---|
| Dovercourt | 2.3 km | 01255 | Essex |
| Walton-on-the-Naze | 10.8 km | 01255 | Essex |
| Frinton and Walton | 11.5 km | — | Essex |
| Frinton-on-Sea | 12.8 km | 01255 | Essex |
| Manningtree | 15.6 km | 01206 | Essex |
| Clacton-on-Sea | 19.6 km | 01255 | Essex |
Harwich: questions answered
What is the dialling code for Harwich?
Harwich uses 01255 (Clacton-on-Sea). From outside the UK dial +44 1255 then the local number.
How many numbers on 01255 can I get from Silux Call?
50 numbers on 01255 were available on 18 October 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 01255?
Nearest first: Dovercourt (2.3 km), Walton-on-the-Naze (10.8 km), Frinton-on-Sea (12.8 km), Clacton-on-Sea (19.6 km).
Which towns are near Harwich?
Dovercourt (2.3 km, 01255), Walton-on-the-Naze (10.8 km, 01255), Frinton and Walton (11.5 km), Frinton-on-Sea (12.8 km, 01255), Manningtree (15.6 km, 01206).
Can I move my existing Harwich 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
Per line a month, ex VAT: Entry £4.75, Plus £8.95 (99p for 2 months), Growth £12.95, Pro £19.95. 14-day Free Trial, no card.