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› 01603
How to dial Norwich
Within the UK
01603
Use the full area code before the local subscriber number.
From outside the UK
+44 1603
Use +44 and remove the leading zero from the area code.
An area-code match describes the number range, not the caller's identity or current physical location. Caller ID can also be spoofed.
Reported numbers in the 01603 Norwich area
24 recently reported complete numbers shown. Up to 30 numbers, ordered by their latest approved public report, with ten per page.
A shared range does not establish the same caller or organisation.
Clearly a scam call. Be cautious and avoid giving the caller any personal or financial information.
9 Aug 2026
Rang and went to voicemail then dropped out. No message left.
26 May 2026
BMW (Group 1) calling for feedback on recent service and MOT
20 May 2026
no vm left, called twice now.
23 Apr 2026
COMPANY CALLED SURE FOR LIFE
23 Apr 2026
Cold call saying it's BT to try and tell a phone system
Asking plenty of questions and he found it difficult to take no for an answer three time.
24 Mar 2026
Double glazing
27 Jan 2026
Have had 8 silent calls from this number in last 6 weeks. usually 2 calls on same day. no response or a hang up when tried to return the call. Not sure how s...
20 Jan 2026
This is an official non-returnable (outgoing calls only) number from the East of England Ambulance service. This is likely a follow up call to any 999 Ambulance...
9 Jan 2026
Gabby, your local recorded voice energy expert !
8 Jan 2026
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.
View the source or tell us about a correction .