UK area code
01442 area code — Hemel Hempstead
01442 is Ofcom’s Hemel Hempstead numbering area, in Hertfordshire, East of England England. 106 phone companies hold its 233 allocated number blocks. Its numbers are written like 01442 234 567. The nearest other codes are 01727 St Albans (10 km) and 01923 Watford (12 km).
01442 at a glance
- Ofcom area name
- Hemel Hempstead
- County
- Hertfordshire
- Council area
- Hertfordshire
- Region
- East of England England
- Number format
- 01442 234 567 (4+6)
- Local calls
- Full number recommended
- Current code since
- 1995 (previously 0442)
- Allocated blocks
- 233 of 406 (57%) across 106 providers
- Newest block
- 26 January 2026 (1 in the last 12 months)
Sources: Ofcom numbering data (weekly) and area-code list, Ofcom Numbering Plan, ONS geography.
If a 01442 number called you
No clear pattern in reports for these numbers yet. If a call worried you:
- 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
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.
- 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.
- 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.
01442 history and number format
Number format: Numbers on 01442 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01442 234 567.
Before 1995: 01442 took its current form at PhONEday on 16 April 1995, when a "1" was inserted into every UK geographic code — before that the area dialled 0442.
Local dialling: Traditionally not from another 01442 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01442 first always works, and mobiles always need it.
Allocation record: the oldest number block still visible on 01442 was allocated on 15 July 1994, and the most recent on 26 January 2026. 1 block was allocated in the last 12 months — newly-activated ranges with no call history, which is worth knowing when an unfamiliar 01442 number rings (see the weekly numbering changelog for every new allocation.)
Phone companies holding 01442 numbers
Every Ofcom range holder with blocks on 01442, by allocated blocks. The holder is the company Ofcom allocated the block to; a number can since have been ported to another provider (see range holder vs current provider).
| Range holder | Allocated | All blocks | First block | Latest block |
|---|---|---|---|---|
| BT | 31 | 31 | 15 July 1994 | 5 June 2025 |
| Vodafone Ltd (C&W) | 20 | 20 | 2 September 2013 | 23 November 2021 |
| Virgin Media Limited | 13 | 13 | 15 July 1994 | 20 June 2012 |
| Gamma Telecom Holdings Limited | 12 | 12 | 24 December 2004 | 5 July 2021 |
| Sky UK Limited | 12 | 12 | 2 July 2013 | 27 October 2022 |
| GCI Network Solutions Limited | 9 | 9 | 19 April 2017 | 26 February 2024 |
| Magrathea Telecommunications Limited | 7 | 7 | 16 November 2011 | 16 November 2011 |
| Colt Technology Services | 6 | 6 | 12 September 2013 | 27 September 2024 |
| TalkTalk Communications Limited | 6 | 6 | 31 August 2011 | 21 November 2018 |
| GTT-EMEA LTD | 4 | 4 | 13 October 2021 | 13 October 2021 |
| Served Up Limited | 4 | 4 | 1 March 2013 | 1 March 2013 |
| Six Degrees Technology Group Limited | 4 | 4 | 14 January 2020 | 14 January 2020 |
| TelXL Limited | 4 | 4 | 27 July 2011 | 27 July 2011 |
| Daisy Communications Ltd | 3 | 3 | 14 December 2011 | 14 December 2011 |
| Digital Space Group Limited | 3 | 3 | 30 November 2007 | 12 April 2016 |
| DRD Communications Limited | 2 | 2 | 5 October 2023 | 5 October 2023 |
| Fuse 2 Communications Ltd | 2 | 2 | 4 July 2017 | 22 January 2024 |
| Voxbone SA | 2 | 2 | 18 January 2008 | 18 August 2022 |
| WAVECREST NETWORKS LIMITED | 2 | 2 | 16 December 2019 | 16 December 2019 |
| (AQ) LIMITED | 1 | 1 | 11 September 2012 | 11 September 2012 |
| 24 Seven Cloud Communications Ltd | 1 | 1 | 17 January 2020 | 17 January 2020 |
| 8x8 UK Limited | 1 | 1 | 19 February 2010 | 19 February 2010 |
| AQL Wholesale Ltd | 1 | 1 | 1 November 2004 | 1 November 2004 |
| Adepteo Limited | 1 | 1 | 17 January 2017 | 17 January 2017 |
| Alnitak GmbH | 1 | 1 | 26 October 2016 | 26 October 2016 |
| Andrews & Arnold (Numbers) Ltd | 1 | 1 | 6 March 2009 | 6 March 2009 |
| Atomstream Limited | 1 | 1 | 15 November 2010 | 15 November 2010 |
| Barritel Limited | 1 | 1 | 7 June 2007 | 7 June 2007 |
| Belgacom International Carrier Services SA | 1 | 1 | 20 June 2016 | 20 June 2016 |
| Bicom Systems EURL | 1 | 1 | 2 March 2012 | 2 March 2012 |
Showing the 30 largest of 106 holders.
Openreach exchanges at Hemel Hempstead
Exchanges Openreach lists at this location in its copper stop-sell programme, with the date new copper orders stop.
- Hemel Hempstead SMHHStop sell 14-Feb-26 · Tranche 19
- Kings Langley LWKLANStop sell 04-Jun-24 · Tranche 12
All number blocks on 01442first 200 of 406, by prefix
| Prefix | Status | Range holder |
|---|---|---|
| +44 144200 | Protected | — |
| +44 144201 | Protected | — |
| +44 144202 | Protected | — |
| +44 144203 | Protected | — |
| +44 144204 | Protected | — |
| +44 144205 | Protected | — |
| +44 144206 | Protected | — |
| +44 144207 | Protected | — |
| +44 144208 | Protected | — |
| +44 144209 | Protected | — |
| +44 144210 | Protected | — |
| +44 1442110 | Allocated | Vodafone Ltd (C&W) |
| +44 1442111 | Allocated | Vodafone Ltd (C&W) |
| +44 1442112 | Allocated | Vodafone Ltd (C&W) |
| +44 1442113 | Protected | — |
| +44 1442114 | Protected | — |
| +44 1442115 | Protected | — |
| +44 1442116 | Protected | — |
| +44 1442117 | Allocated | Vodafone Ltd (C&W) |
| +44 1442118 | Allocated | Vodafone Ltd (C&W) |
| +44 1442119 | Allocated | Vodafone Ltd (C&W) |
| +44 144212 | Protected | — |
| +44 144213 | Protected | — |
| +44 144214 | Protected | — |
| +44 144215 | Protected | — |
| +44 144216 | Protected | — |
| +44 144217 | Protected | — |
| +44 144218 | Protected | — |
| +44 144219 | Protected | — |
| +44 144220 | Allocated | BT |
| +44 144221 | Allocated | BT |
| +44 144222 | Allocated | BT |
| +44 144223 | Allocated | BT |
| +44 144224 | Allocated | BT |
| +44 144225 | Allocated | BT |
| +44 144226 | Allocated | BT |
| +44 144227 | Allocated | BT |
| +44 144228 | Allocated | BT |
| +44 144229 | Allocated | BT |
| +44 1442300 | Allocated | Virgin Media Limited |
| +44 1442301 | Allocated | Virgin Media Limited |
| +44 1442302 | Allocated | Virgin Media Limited |
| +44 1442303 | Allocated | Virgin Media Limited |
| +44 1442304 | Allocated | Virgin Media Limited |
| +44 1442305 | Protected | — |
| +44 1442306 | Protected | — |
| +44 1442307 | Protected | — |
| +44 1442308 | Allocated | Virgin Media Limited |
| +44 1442309 | Allocated | Virgin Media Limited |
| +44 144231 | Allocated | Vodafone Ltd (C&W) |
| +44 144232 | Allocated | Vodafone Ltd (C&W) |
| +44 1442330 | Allocated | GCI Network Solutions Limited |
| +44 1442331 | Allocated | GCI Network Solutions Limited |
| +44 1442332 | Allocated | GCI Network Solutions Limited |
| +44 1442333 | Allocated | GCI Network Solutions Limited |
| +44 1442334 | Allocated | GCI Network Solutions Limited |
| +44 1442335 | Allocated | GCI Network Solutions Limited |
| +44 1442336 | Protected | — |
| +44 1442337 | Protected | — |
| +44 1442338 | Allocated | GCI Network Solutions Limited |
| +44 1442339 | Protected | — |
| +44 144234 | Allocated | Vodafone Ltd (C&W) |
| +44 144235 | Allocated | Vodafone Ltd (C&W) |
| +44 144236 | Allocated | Vodafone Ltd (C&W) |
| +44 1442370 | Protected | — |
| +44 1442371 | Allocated | Daisy Communications Ltd |
| +44 1442372 | Allocated | Daisy Communications Ltd |
| +44 1442373 | Allocated | Daisy Communications Ltd |
| +44 1442374 | Protected | — |
| +44 1442375 | Protected | — |
| +44 1442376 | Protected | — |
| +44 1442377 | Protected | — |
| +44 1442378 | Protected | — |
| +44 1442379 | Protected | — |
| +44 144238 | Allocated | Virgin Media Limited |
| +44 144239 | Allocated | Virgin Media Limited |
| +44 144240 | Allocated | Virgin Media Limited |
| +44 144241 | Allocated | BT |
| +44 144242 | Allocated | BT |
| +44 144243 | Allocated | BT |
| +44 1442440 | Allocated | Vodafone Ltd (C&W) |
| +44 1442441 | Allocated | Vodafone Ltd (C&W) |
| +44 1442442 | Allocated | Vodafone Ltd (C&W) |
| +44 1442443 | Protected | — |
| +44 1442444 | Allocated | Vodafone Ltd (C&W) |
| +44 1442445 | Allocated | Vodafone Ltd (C&W) |
| +44 1442446 | Allocated | Vodafone Ltd (C&W) |
| +44 1442447 | Protected | — |
| +44 1442448 | Protected | — |
| +44 1442449 | Allocated | Vodafone Ltd (C&W) |
| +44 144245 | Allocated | BT |
| +44 1442460 | Allocated | Sky UK Limited |
| +44 1442461 | Allocated | Sky UK Limited |
| +44 1442462 | Allocated | Sky UK Limited |
| +44 1442463 | Allocated | Sky UK Limited |
| +44 1442464 | Protected | — |
| +44 1442465 | Protected | — |
| +44 1442466 | Protected | — |
| +44 1442467 | Protected | — |
| +44 1442468 | Protected | — |
| +44 1442469 | Protected | — |
| +44 1442470 | Allocated | DRD Communications Limited |
| +44 1442471 | Allocated | DRD Communications Limited |
| +44 1442472 | Protected | — |
| +44 1442473 | Protected | — |
| +44 1442474 | Protected | — |
| +44 1442475 | Protected | — |
| +44 1442476 | Protected | — |
| +44 1442477 | Protected | — |
| +44 1442478 | Protected | — |
| +44 1442479 | Protected | — |
| +44 144248 | Allocated | Vodafone Ltd (C&W) |
| +44 1442490 | Allocated | Linear Telecoms Limited |
| +44 1442491 | Allocated | Bicom Systems EURL |
| +44 1442492 | Allocated | ICC Networks Ltd |
| +44 1442493 | Allocated | IOVOX Limited |
| +44 1442494 | Allocated | Ziron Limited |
| +44 1442495 | Allocated | Minotaur Telecom Limited |
| +44 1442496 | Protected | — |
| +44 1442497 | Allocated | Media Hawk Ltd |
| +44 1442498 | Allocated | Content Guru Limited |
| +44 1442499 | Protected | — |
| +44 144250 | Allocated | Gamma Telecom Holdings Limited |
| +44 1442510 | Allocated | Served Up Limited |
| +44 1442511 | Allocated | Served Up Limited |
| +44 1442512 | Protected | — |
| +44 1442513 | Protected | — |
| +44 1442514 | Protected | — |
| +44 1442515 | Protected | — |
| +44 1442516 | Protected | — |
| +44 1442517 | Protected | — |
| +44 1442518 | Protected | — |
| +44 1442519 | Protected | — |
| +44 144252 | Protected | — |
| +44 1442530 | Allocated | GTT-EMEA LTD |
| +44 1442531 | Allocated | GTT-EMEA LTD |
| +44 1442532 | Protected | — |
| +44 1442533 | Protected | — |
| +44 1442534 | Protected | — |
| +44 1442535 | Allocated | GTT-EMEA LTD |
| +44 1442536 | Protected | — |
| +44 1442537 | Protected | — |
| +44 1442538 | Protected | — |
| +44 1442539 | Allocated | GTT-EMEA LTD |
| +44 144254 | Allocated | GCI Network Solutions Limited |
| +44 1442550 | Protected | — |
| +44 1442551 | Protected | — |
| +44 1442552 | Protected | — |
| +44 1442553 | Protected | — |
| +44 1442554 | Allocated | Served Up Limited |
| +44 1442555 | Allocated | Served Up Limited |
| +44 1442556 | Protected | — |
| +44 1442557 | Protected | — |
| +44 1442558 | Protected | — |
| +44 1442559 | Protected | — |
| +44 1442560 | Allocated | Six Degrees Technology Group Limited |
| +44 1442561 | Allocated | Six Degrees Technology Group Limited |
| +44 1442562 | Protected | — |
| +44 1442563 | Allocated | Six Degrees Technology Group Limited |
| +44 1442564 | Allocated | Six Degrees Technology Group Limited |
| +44 1442565 | Protected | — |
| +44 1442566 | Protected | — |
| +44 1442567 | Protected | — |
| +44 1442568 | Protected | — |
| +44 1442569 | Protected | — |
| +44 1442570 | Protected | — |
| +44 1442571 | Protected | — |
| +44 1442572 | Protected | — |
| +44 1442573 | Allocated | Digital Space Group Limited |
| +44 1442574 | Protected | — |
| +44 1442575 | Protected | — |
| +44 1442576 | Protected | — |
| +44 1442577 | Protected | — |
| +44 1442578 | Protected | — |
| +44 1442579 | Protected | — |
| +44 1442580 | Protected | — |
| +44 1442581 | Protected | — |
| +44 1442582 | Protected | — |
| +44 1442583 | Protected | — |
| +44 1442584 | Protected | — |
| +44 1442585 | Protected | — |
| +44 1442586 | Allocated | Virgin Media Limited |
| +44 1442587 | Allocated | Virgin Media Limited |
| +44 1442588 | Allocated | Virgin Media Limited |
| +44 1442589 | Protected | — |
| +44 144259 | Allocated | Flextel Limited |
| +44 1442600 | Allocated | Budget Numbers Limited |
| +44 1442601 | Allocated | YayYay Limited |
| +44 1442602 | Allocated | M247 Ltd |
| +44 1442603 | Allocated | Sky UK Limited |
| +44 1442604 | Allocated | Sky UK Limited |
| +44 1442605 | Protected | — |
| +44 1442606 | Protected | — |
| +44 1442607 | Protected | — |
| +44 1442608 | Protected | — |
| +44 1442609 | Protected | — |
| +44 1442610 | Allocated | I.T Communications Limited |
| +44 1442611 | Allocated | Nexbridge Communications Limited |
| +44 1442612 | Allocated | Belgacom International Carrier Services SA |
| +44 1442613 | Allocated | Adepteo Limited |
Related lookups
- 01727 St Albans10 km away
- 01923 Watford12 km away
- 01582 Luton15 km away
- 01707 Welwyn Garden City20 km away
- BT31 allocated blocks on 01442
- Vodafone Ltd (C&W)20 allocated blocks on 01442
- Virgin Media Limited13 allocated blocks on 01442
- All UK towns A–ZDialling codes by town
- More Hertfordshire codesSame region
- All UK area codesBrowse every 01/02 dialling code
- Lookup any UK numberFree reverse phone lookup
- UK area codes explainedCornerstone guide
- 020 London numbers explainedCornerstone guide
- 0330 numbers explainedCornerstone guide
- How Ofcom allocates UK phone numbersCornerstone guide
FAQs about 01442
Where is area code 01442?
01442 is Ofcom's Hemel Hempstead numbering area, in Hertfordshire, East of England England. Its exchange town is in Hertfordshire. From abroad, drop the 0 and dial +44 1442.
Do I need to dial 01442 for a local call?
Traditionally not from another 01442 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01442 first always works, and mobiles always need it.
How are 01442 numbers written?
Numbers on 01442 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01442 234 567. From abroad the leading zero is dropped: +44 1442 then the local number.
What was the 01442 area code before?
01442 took its current form at PhONEday on 16 April 1995, when a "1" was inserted into every UK geographic code — before that the area dialled 0442. Old signage or stationery showing 0442 refers to the same Hemel Hempstead numbers.
Which phone companies hold 01442 numbers?
Ofcom lists 106 providers with allocated blocks on 01442. The largest are BT with 31 of the 233 allocated blocks, Vodafone with 20 of the 233 allocated blocks and Virgin Media Limited with 13 of the 233 allocated blocks. Numbers can be ported, so a number's current provider may differ from the block's holder.
Which area codes are next to 01442?
By distance between exchange towns, the nearest other codes are 01727 St Albans (10 km), 01923 Watford (12 km), 01582 Luton (15 km) and 01707 Welwyn Garden City (20 km).
How do I report a scam call from a 01442 number?
On a mobile, text the caller's number to 7726 (free). If you lost money or shared details, call your bank and report it to Report Fraud (0300 123 2040), which replaced Action Fraud in December 2025. Unwanted sales calls go to the ICO after registering with the Telephone Preference Service.