01442 Area Code — Hemel Hempstead
01442 is the UK dialling code for Hemel Hempstead in Hertfordshire, also serving Leverstock Green, Bennetts End and Berkhamsted, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 437 distinct 01442 numbers across 534 public lookups.
Advertisement
Quick facts
Area code
01442
Location
Hemel Hempstead
County
Hertfordshire
Region
East of England
Number type
Geographic landline
Number format
01442 XXX XXX
Operators serving
8+
Call cost
Standard rate
About the 01442 dialling code
01442 is the UK geographic dialling code for Hemel Hempstead, allocated by Ofcom under the National Telephone Numbering Plan. It is used by landlines — and increasingly VoIP lines — registered to the Hemel Hempstead area.
A full Hemel Hempstead number is normally written as 01442 XXXXXX. You can dial the local part on its own from within the same area, or the full number from anywhere in the UK.
Because of UK number portability and internet calling, a 01442 number no longer guarantees the caller is physically in Hemel Hempstead. Fraudsters also "spoof" local codes like 01442 so an unknown call looks like a nearby business or neighbour — so treat an unexpected call on what is actually said, not on the area code alone.
Map of the 01442 dialling area
The marker shows Hemel Hempstead; the shaded circle is an approximate indication of the area the 01442 code serves — exact Ofcom charging-area boundaries are irregular and don't follow a neat radius.
Map data © OpenStreetMap contributors. View larger map
Areas typically served by 01442
Settlements in and around the Hemel Hempstead dialling area that typically use 01442 numbers. Approximate — Ofcom charging-area boundaries don't follow town or county lines exactly, and properties near a boundary may take a neighbouring code.
Calling 01442 from abroad
From outside the UK, dial your international access prefix, then the UK country code 44, then 1442 (the area code without its leading zero) and the local number.
| Calling from | Dial |
|---|---|
| United States & Canada | 011 44 1442 … |
| Europe / most of the world | 00 44 1442 … |
| Australia | 0011 44 1442 … |
| Any mobile phone | +44 1442 … |
History of the 01442 code
The code was 0442 until PhONEday, 16 April 1995, when a "1" was inserted after the leading zero to create 01442.
Top searched 01442 numbers
These are the 01442 numbers most-looked-up by visitors to our number checker. Click any number to see its full lookup page with risk-level, range holder, and community reports.
| Number | Searches | Last looked up |
|---|---|---|
| 01442 504924 | 11 | 30 Jun 2026 |
| 01442 276008 | 8 | 1 Jul 2026 |
| 01442 404242 | 7 | 23 Jun 2026 |
| 01442 283500 | 5 | 8 Jul 2026 |
| 01442 509681 | 4 | 9 Jul 2026 |
| 01442 505041 | 4 | 8 Jul 2026 |
| 01442 702731 | 4 | 7 Jul 2026 |
| 01442 271000 | 4 | 2 Jul 2026 |
| 01442 504926 | 4 | 29 Jun 2026 |
| 01442 504902 | 3 | 11 Jul 2026 |
| 01442 504897 | 3 | 11 Jul 2026 |
| 01442 242841 | 3 | 9 Jul 2026 |
| 01442 948988 | 3 | 7 Jul 2026 |
| 01442 942444 | 3 | 6 Jul 2026 |
| 01442 954219 | 3 | 23 Jun 2026 |
| 01442 505073 | 2 | 10 Jul 2026 |
| 01442 503432 | 2 | 10 Jul 2026 |
| 01442 902404 | 2 | 10 Jul 2026 |
| 01442 453195 | 2 | 9 Jul 2026 |
| 01442 504917 | 2 | 8 Jul 2026 |
Is a call from 01442 safe?
Most 01442 calls are ordinary local calls from Hemel Hempstead homes and businesses. The main risk to be aware of is "neighbour spoofing", where a scammer fakes a local 01442 prefix so you are more likely to answer. Never share bank details, passwords or one-time security codes with an unexpected caller, even when the number looks local — hang up and call the organisation back on a number you have verified yourself.
To call a 01442 (Hemel Hempstead) number from outside the UK, drop the leading zero and dial +44 1442 followed by the local number.
Operators serving Hemel Hempstead
These UK communications providers have been allocated 01442 number blocks by Ofcom. The number of blocks per operator gives a rough sense of how widely each provider serves this area.
| Provider (Ofcom-allocated) | Allocated blocks |
|---|---|
| BT | 31 |
| Vodafone Ltd (C&W) | 20 |
| Virgin Media Limited | 13 |
| Sky UK Limited | 12 |
| Gamma Telecom Holdings Limited | 12 |
| GCI Network Solutions Limited | 9 |
| Magrathea Telecommunications Limited | 7 |
| TalkTalk Communications Limited | 6 |
Ofcom number ranges on 01442
Ofcom's National Numbering Plan lists 406 number blocks under 01442, of which 235 are allocated to 108 communications providers. The first allocated blocks are shown below — look up any full number with the number checker to see its exact range holder.
| Number block | Status | Range holder (Ofcom-allocated) |
|---|---|---|
01442110… | Allocated | Vodafone Ltd (C&W) |
01442111… | Allocated | Vodafone Ltd (C&W) |
01442112… | Allocated | Vodafone Ltd (C&W) |
01442117… | Allocated | Vodafone Ltd (C&W) |
01442118… | Allocated | Vodafone Ltd (C&W) |
01442119… | Allocated | Vodafone Ltd (C&W) |
0144220… | Allocated | BT |
0144221… | Allocated | BT |
0144222… | Allocated | BT |
0144223… | Allocated | BT |
0144224… | Allocated | BT |
0144225… | Allocated | BT |
Showing 12 of 235 allocated blocks. Source: Ofcom telephone numbering data, updated weekly.
How to block and report 01442 spam calls
Block or report 01442
- You can block 01442 directly from your recent-calls list on iPhone or Android, and forward scam texts free to 7726.
- Scam or fraud calls should be reported to Action Fraud (0300 123 2040) or Police Scotland (101); persistent marketing calls to the ICO / TPS.
Full step-by-step instructions for every phone, network-level blocking and all UK reporting routes are in our guide: How to block and report unwanted calls in the UK.
How to stop unwanted calls for good
Blocking 01442 numbers stops that one number, but determined nuisance callers simply switch numbers. Silencing unknown callers, enabling your network's free spam shield and registering with the TPS cut the volume across the board — our canonical guide walks through each step: How to block and report unwanted calls in the UK.
Frequently asked questions about the 01442 code
Where is the 01442 area code?
The 01442 area code is allocated by Ofcom to Hemel Hempstead in Hertfordshire, United Kingdom. It is a geographic UK landline dialling code under the National Telephone Numbering Plan. The surrounding dialling area also takes in Leverstock Green, Bennetts End, Berkhamsted and nearby villages.
Is 01442 always a Hemel Hempstead number?
Numbers with the 01442 prefix were originally allocated by Ofcom to Hemel Hempstead. With UK number portability and VoIP allowing geographic relocation while keeping the same number, the call origin can differ from the original area, but the prefix's official assigned location remains Hemel Hempstead.
How do I block 01442 spam calls?
On iPhone, tap the (i) next to the number in Recents and choose Block this Caller. On Android, long-press the number in Recents and choose Block. To prevent unknown 01442 numbers ringing, enable Settings → Phone → Silence Unknown Callers (iPhone) or your dialler's spam filter (Android). Forward spam texts to 7726 free of charge.
How much does a 01442 call cost?
Calls to UK 01442 geographic numbers are charged at your provider's standard rate and are usually included in inclusive minutes on any modern landline or mobile plan.
Neighbouring dialling codes
Codes covering areas around Hemel Hempstead — useful when a caller is nearby but outside the 01442 boundary.
Living in or moving to Hemel Hempstead?
Our free postcode reports cover house prices, crime, broadband and schools for the districts around Hemel Hempstead.
Check another UK number
Have the full 10- or 11-digit number? The UK Phone Number Checker shows the Ofcom range holder, risk level, and any community reports for that specific number.