Norwich business phone numbers (01603)

Norwich is a city in Norfolk, England, population 195,971 (2016). Its landline dialling code is 01603, which Norwich shares with 4 other towns such as Thorpe St Andrew and Sprowston. On 8 November 2026 Silux Call had 50 numbers on 01603 available to order, for example 01603 340828.

Norwich at a glance

Dialling code
01603
Numbers in stock
50 (live, 8 November 2026)
County
Norfolk
Nation / region
East of England, England
Status
City
Population
195,971 (2016)
Coordinates
52.629, 1.293

Place data: Wikidata Q130191 (retrieved 26 September 2026). Codes: Ofcom geographic area codes. Stock: Silux Call number catalogue.

01603 numbers you can order now

  • 01603 340828
  • 01603 340896
  • 01603 340953
  • 01603 340980
  • 01603 340991
  • 01603 343020

Browse all 50 01603 numbers →

Other towns on 01603

Towns near Norwich

TownDistanceCodeArea
Thorpe St Andrew3.5 km01603Norfolk
Sprowston3.6 km01603Norfolk
Wroxham11.8 km01603Norfolk
Wymondham13.6 km01953Norfolk
Long Stratton16.1 km01508Norfolk
Loddon16.7 km01508Norfolk

Norwich: questions answered

What is the dialling code for Norwich?

Norwich uses 01603. From outside the UK dial +44 1603 then the local number.

How many numbers on 01603 can I get from Silux Call?

50 numbers on 01603 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 01603?

Nearest first: Thorpe St Andrew (3.5 km), Sprowston (3.6 km), Wroxham (11.8 km), Reepham (19.2 km).

Which towns are near Norwich?

Thorpe St Andrew (3.5 km, 01603), Sprowston (3.6 km, 01603), Wroxham (11.8 km, 01603), Wymondham (13.6 km, 01953), Long Stratton (16.1 km, 01508).

Can a Norwich business get an 0345 or 0330 number instead of a local one?

Yes. Alongside a 01603 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 Norwich 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.

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