Articles about Virtual Numbers | Tips and Advice
Read the latest stories, use cases and updates to make optimal use of your business number.

Which towns does the 020 area code cover and what it means for your business
A 020 number is reserved for businesses with a recognised London presence, not for any UK company that wants a capital prefix. This article lists the towns inside the 020 area, explains the Ofcom geographic-association rule and shows how to check whether your business qualifies before applying.

Why a dedicated IVR server or private API works faster than building on Twilio
Twilio is the obvious starting point for a call routing or voice application, but the shared American cloud falls short for many European businesses on log retention, data residency and support costs. This blog explains why a dedicated IVR server or private API from CallFactory solves those three constraints structurally, and when Twilio remains the right choice.
What Is a Virtual Phone Number?
What is a virtual phone number? Discover how it works, its advantages over VoIP, and how CallFactory reliably routes your calls.
0800 vs 0333 Numbers: Which is Best for Your Business?
Confused between Freephone 0800 and National 0333 numbers? We compare costs, caller perception, and features to help you decide.
How to Get a London 020 Phone Number (Wherever You Are)
Want a London business presence without the office rent? Learn how to get a virtual London 020 number that routes to your mobile anywhere in the world.

American Phone Number: Everything You Need to Know
American phone number: country code (+1), mobile numbers, area codes and toll-free. Order a local US number for your business in minutes.
