Phone Numbers in different Area Codes

Choose any number, We got you covered

VoIP Business with Fullduplex has been porting numbers and providing telephone services since 2006

Numbers in almost every UK town and city

Block Phone Numbers available on request from 10 to 1000

Fax enabled numbers receive and send FAX on demand using email

SMS enabled numbers send and receive text message on your UK landline number

VoIPBusiness have access to over 9 million UK Geographic numbers ready to be assigned within seconds.

Check Your Area Code

Moving your
number to us is easy
Port it over!

Port our telephone number to VoIPBusiness. Our switching process is seamless as it takes seconds to switch over to us. So no downtime for you.

1 Let us know the number you wish to port over.

2We will send your porting request to your current service provider.

3 Your current service provider lets us know the porting date.

4et voila !! Success, your number porting is complete.

Your Choice of Phone Numbers to Suit Your Business

Local Telephone Numbers

A local number for your local business.With this, get all the features of a UK local phone number – choose from London, Manchester, Bristol, Glasgow, Bournemouth, anywhere really do business anywhere.

London Phone Numbers

A number for Greater London or maybe just London. Get 0207, 0208 and 0203 numbers for your business giving you those London vibes.


Virtual Phone Number

Virtual phone numbers allow you to have a virtual presence anywhere in the country – all forwarding to your existing lines. Therefore, even if you’re based abroad, you can leverage the advantages of a virtual phone number.

03 Telephone Numbers

They cost the same as calls to a local number but not associated with any location. They are non-geographical and the customer friendly national number is now used by many, so why not by your business!


0800 Numbers

The Freephone 0800 numbers give your business that customer friendly free-to-call image, and the ability to improve the volume of calls.


0844 Numbers

If you run a business that is not geographically dependent, then choose a national number with a 844 number.


0845 Telephone Numbers

International Numbers

The Hardware Partners We Keep

Here are some of our preferred partners we like to work with. We have all the IP phone equipment and hardware required to customise your business VoIP experience.

Frequently asked questions

Pretty much quickly, most happen within 7 days whilst others take about 10 days, it depends on your provider. We have migrated some clients in less than 72 hours, so you’re in safe hands.

Of course you can, we handle any number, whether is a non-geographic number, local number or international number. Just let us know how many numbers you wish to migrate and we’ll arrange for that.

If some providers are stuck in the dark ages, then they might do, but most don’t. We don’t charge to port your number to us either, so you enjoy a stress-free number porting.

You can definitely buy a single number or a block of numbers. For example, if you need a block of 10 successive numbers for your business, we’ll book it for you to order. You can purchase up to 1000 numbers at one go.

You name any area in the UK, we’ve got numbers for them. Just choose your numbers and if you have multiple offices around the country, feel free to pick out the numbers the most relevant to you.

Sure, we have SMS and Fax enabled numbers, when you get in touch with us, let one of our advisors know and we;ll sort it out for you.

Take A Risk-Free 30 Day Trial Now!

No obligation, no credit card required.