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Range holder

Redwood Technologies Ltd

Redwood Technologies Ltd is listed by Ofcom as the originally-allocated provider for 633 UK number ranges, mostly landline (01/02). Numbers within these blocks may have since been ported to a different carrier.

Redwood Technologies Ltd at a glance

Number ranges
633
Number types
  • Landline (01/02) 606
  • UK-wide (03) 13
  • Service (084/087) 10
  • Freephone (080) 2
  • Other 2
First allocation
15 November 2018
Latest allocation
10 May 2019
Most blocks in
01978 Wrexham, 028 Northern Ireland, 01202 Bournemouth

Source: Ofcom numbering data, re-imported weekly. Each range is counted once.

Allocated ranges by year

The year Ofcom allocated each range Redwood Technologies Ltd still holds; the busiest year was 2018 (632).

2018632
20191

If a number from Redwood Technologies Ltd's ranges called you

No clear pattern in reports for these numbers yet. If a call worried you:

  1. 1

    Call back on a number you trust

    If a caller says they're your bank, HMRC, a courier or a council, hang up and ring the organisation on the number from its website or your statement, never the number that called you. Caller ID can be faked.

  2. 2

    Forward it to 7726

    On a mobile, copy the caller's number from your recent calls and text it to 7726 (it spells SPAM). Scam texts can be forwarded to 7726 as they are. It's free, and your network uses the reports to investigate and block numbers.

    Ofcom: what to do about a scam call ↗

  3. 3

    Stop sales calls

    Register your landline and mobile free with the Telephone Preference Service (0345 070 0707). Legitimate UK marketers must check it; calls should drop within 28 days. It won't stop scammers.

    Telephone Preference Service ↗

  4. 4

    If you lost money or shared details

    Call your bank on the number on your card (or 159 to reach most UK banks safely), then report it to Report Fraud online or on 0300 123 2040. Report Fraud replaced Action Fraud on 4 December 2025 for England, Wales and Northern Ireland; in Scotland call Police Scotland on 101.

    159 (Stop Scams UK) ↗Report Fraud ↗

All Redwood Technologies Ltd ranges633, by prefix
PrefixStatus
+44 113451Allocated
+44 114467Allocated
+44 115798Allocated
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Per-area pages

Related lookups

Frequently asked questions

What does it mean that Redwood Technologies Ltd is the range holder?

Ofcom allocated the blocks listed on this page to Redwood Technologies Ltd. A number keeps its digits when its user switches provider, so a number in these blocks may now be on another network; Ofcom doesn't publish who a number is on today.

What kinds of numbers does Redwood Technologies Ltd hold?

Of its 633 allocated ranges: 606 landline (01/02), 13 uk-wide (03), 10 service (084/087), 2 freephone (080), 2 other. The oldest dates from 15 November 2018 and the newest from 10 May 2019.

Which area codes does Redwood Technologies Ltd have most numbers in?

By allocated blocks: 01978 Wrexham (5), 028 Northern Ireland (3), 01202 Bournemouth (2), 01244 Chester (2), 020 London (2).

How often is the Redwood Technologies Ltd list updated?

Ofcom publishes its numbering data every Wednesday and this page is rebuilt from it weekly, so new Redwood Technologies Ltd blocks appear within about a week.