From just $0.01 per minute
Crystal-clear VoIP calls to any British mobile or landline. No subscription required.
Transparent per-minute pricing
Most reliable
Mobile
$0.07
per minute
Landline
$0.04
per minute
Great value
Mobile
$0.02
per minute
Landline
$0.01
per minute
📞
Country Code
+44
🕐
Time Zone
GMT/BST
🗣️
Language
English
💰
Currency
GBP (£)
Calling the UK is simple with CallSky - no complicated dialing codes needed.
Launch the iOS app or visit callsky.io/app on any browser
Type +44 or tap the flag to select UK, then enter the number without the leading 0
We offer two telephony providers for maximum worldwide coverage. Premium has more routes and higher reliability. Standard offers the lowest rates. If a call doesn't connect, try the other provider.
That's it! Your call connects in seconds
Example: To call a mobile number in the UK:
+44 7700 900123
Note: Drop the leading 0 from UK numbers (07700 becomes 7700).
Pay only for what you use. Buy credits from $4 and call when you need.
Crystal-clear calls using modern VoIP technology.
Reach any phone number in the UK - mobile or landline.
Use on iPhone, web browser, or any device with internet.
Connect with contacts across Britain's major cities.
UK's capital and global financial centre. Home to major banks, businesses, and cultural institutions. Area code: 020
Major business hub in Northern England. Known for media, tech, and creative industries. Area code: 0161
UK's second-largest city. Manufacturing and services hub in the Midlands. Area code: 0121
Scotland's capital city. Major financial services and festival destination. Area code: 0131
Monday - Friday: 9:00 AM - 5:30 PM GMT
Note: UK uses BST (GMT+1) in summer
Most businesses close early on Fridays and weekends.
From US (EST): UK is 5 hours ahead
From India (IST): UK is 5.5 hours behind
Best window from US: 6-11 AM EST (afternoon in UK)
Landline rates start from just $0.01 per minute with Standard. Mobile rates start from $0.02/min (Standard) to $0.07/min (Premium). Exact rates are shown before you place the call.
We partner with two telephony providers for maximum coverage. Premium has more routes and higher reliability. Standard offers the lowest rates. If a call doesn't connect with one, try the other.
Yes! You can call any UK mobile number. UK mobile numbers typically start with 07. Just enter +44 followed by the number without the leading 0.
No! You can call directly from your web browser at callsky.io/app. We also have an iOS app for a native experience on iPhone.
Enter +44 followed by the UK number without the leading 0. For example, 020 7946 0958 becomes +44 20 7946 0958. Mobile numbers like 07700 900123 become +44 7700 900123.
No subscriptions, no contracts. CallSky is pay-as-you-go. Buy credits starting from $4, and they never expire. Only pay for the calls you make.
Start calling in under 1 minute. No subscription, no contracts.