Buy memorable 0800 numbers

Free to call from UK landlines
Receive calls to your landline, mobile or SIP
A wide range of memorable/gold numbers available.

Buy now

Buy memorable regional numbers

Receive calls to your landline, mobile or SIP
A wide range of memorable/gold numbers available for every city and town in the UK.

Buy now

Welcome to NumberGroup. We are an Ofcom licensed telecommunications carrier supplying over 1,500 SME’s with wholesale services.

Our services include SIP Trunking, DDI telephone numbering and innovative IVR applications for the call centre markets with a guaranteed SLA or your money back.

Numbergroup SIP Trunking offers business quality, jitter free speech, fully tested with a range of popular PBX systems with built-in PSTN failover, NAT Traversal support, a wide range of voice codecs and secure voice encryption with unlimited concurrent channels and industry leading call rates.

Our telephone number ranges are allocated directly from Ofcom, giving you number security and porting rights. We have a wide range of numbering types available at various retail price points, from Freephone 0800 Numbers, 03/08 Business ranges, 01/02 Local geographic area codes.

A powerful suite of network based IVR solutions providing turnkey services to increase call centre efficiency and customised to solve specific business related problems, all self managed through our selfcare Web 2.0 customer portal or API.

Wholesale Solutions

Utilising our BT Wholesale interconnected network, we provide a dedicated and managed program for all our Resellers, PBX dealers and Channel Partners with bespoke pricing and Service Level Agreements. Please contact us for making preliminary contact regarding contractual terms and system evaluating.


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