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Range holder

Nationwide Telephone Assistance Ltd

Nationwide Telephone Assistance Ltd is listed by Ofcom as the originally-allocated provider for 621 UK number ranges, mostly landline (01/02). Numbers within these blocks may have since been ported to a different carrier.

Nationwide Telephone Assistance Ltd at a glance

Number ranges
621
Number types
  • Landline (01/02) 603
  • Service (084/087) 9
  • Freephone (080) 4
  • UK-wide (03) 2
  • Corporate / VoIP (05) 2
  • Personal (070) 1
First allocation
2 September 2005
Latest allocation
28 March 2017
Most blocks in
028 Northern Ireland, 01539 Kendal, 01434 Hexham

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

Allocated ranges by year

The year Ofcom allocated each range Nationwide Telephone Assistance Ltd still holds; the busiest year was 2007 (534).

200515
20062
2007534
200862
20113
20141
20171

If a number from Nationwide Telephone Assistance 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 Nationwide Telephone Assistance Ltd ranges621, by prefix
PrefixStatus
+44 113898Allocated
+44 114357Allocated
+44 115708Allocated
+44 116309Allocated
+44 117213Allocated
+44 118036Allocated
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+44 1202289Allocated
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+44 125020Allocated
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+44 872196Allocated

Per-area pages

Related lookups

Frequently asked questions

What does it mean that Nationwide Telephone Assistance Ltd is the range holder?

Ofcom allocated the blocks listed on this page to Nationwide Telephone Assistance 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 Nationwide Telephone Assistance Ltd hold?

Of its 621 allocated ranges: 603 landline (01/02), 9 service (084/087), 4 freephone (080), 2 uk-wide (03), 2 corporate / voip (05), 1 personal (070). The oldest dates from 2 September 2005 and the newest from 28 March 2017.

Which area codes does Nationwide Telephone Assistance Ltd have most numbers in?

By allocated blocks: 028 Northern Ireland (34), 01539 Kendal (4), 01434 Hexham (3), 01768 Penrith (3), 01890 Ayton (3).

How often is the Nationwide Telephone Assistance Ltd list updated?

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