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01603 975370 Negative Who called me from this phone number?

Norwich • IP Voice Networks Ltd
This number is a landline operated by IP Voice Networks Ltd and located in Norwich, UK. The overall user rating for this number is Negative. The number 01603975370 has been searched 132 times, with 5 user comments helping to identify the caller's intent.
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At a glance

Community signals

  • User reports: 5 user reports
  • Searches: 132
  • Last reported: 9 months ago
  • First reported: 9 months ago
  • Typical call time: before 3pm (96% of calls)

Number profile

  • UK format: 01603 975370
  • International: +441603975370
  • Number type: Landline
  • Carrier: IP Voice Networks Ltd
  • Area: Norwich
  • Area code: 01603

User Reports (5)

Your reports help others decide whether to answer calls from this number. Share your experience to help the community!

Scam/Fraud
06 Aug 2025

Claiming to be Sky, for a mobile phone upgrade. Started asking unusual questions which should already be visible on my account. Sounded as though it was a scam

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Unknown Caller
06 Aug 2025

Claiming they were calling from 3 regarding my phone contract. Talking 🗑 rubbish.

Caller: JPA
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Scam/Fraud
06 Aug 2025

Said it was 3 network upgrading

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Scam/Fraud
06 Aug 2025

I answered and they didn't say anything Tried to call back and it was a dead line

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Scam/Fraud
06 Aug 2025

Claimed to be from EE offering discount to my EE Mobile account - I don't have an EE Mobile account.....

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What type of call was it?

Reported locations

Reported from 21 UK cities

Colchester, Worcester Park, Ferrybridge, Pannal, Attleborough, Feltham, Kensington, London (Shadwell), Royal Leamington Spa, Henfynyw Upper, Holbeck, Didsbury, Crewe, Stroud, Fintona, Staverton, Hamilton, Netherton, Sunbury-on-Thames, Oldham, Edinburgh

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How to Block This Number

On iPhone

  1. Open the Phone app and go to Recents
  2. Find the number 01603 975370 and tap the info icon (i)
  3. Scroll down and tap Block this Caller
  4. Confirm by tapping Block Contact

On Android

  1. Open the Phone app and tap the 3-dot menu
  2. Go to Call history or Recents
  3. Long press on 01603 975370
  4. Select Block number or Block/report spam

On Landline Phones

Several options are available for UK landlines:

  • BT Call Protect - free for BT customers
  • TalkTalk CallSafe - free for TalkTalk customers
  • Call blocking devices like CPR Call Blocker (available on Amazon)

Register with TPS (Telephone Preference Service)

The TPS is a free service for UK consumers that allows you to opt out of unsolicited sales and marketing calls.

Learn more about TPS registration

Latest reports

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Call Costs

Calling 01603975370 from a landline may cost up to 16p per minute. Many providers charge a 23p call set-up fee. Call packages often include these types of calls. You might not incur additional charges for calling this number, depending on your provider.

Dialling Instructions

Local UK callers can dial 01603975370 directly.

International callers should dial +44 1603 975370 or 0044 1603 975370. No leading zero is required when dialling abroad, e.g., +44(0)1603975370.