Always drop the leading 0
South African numbers are 10 digits domestically (starting with 0). When dialling from the UK, replace the leading 0 with the country code +27. The 9 digits after +27 are all you need.
Quick Answer
From the UK, dial 00 27 (or +27 on a mobile) then the 9-digit South African number, dropping the leading 0. With Sayfone you can call South Africa for $0.92/min directly from your browser.
$0.92
Per minute
+27
Country code
HD
Call quality
Landline rate
$0.92/min
Mobile rate
$0.92/min
Same per-minute Sayfone rate for landline and mobile.
Average call quality
The UK has a large South African diaspora community, making this one of the key calling corridors between the two countries. Whether you're reaching family in Johannesburg, Cape Town, or Durban, the dialling steps below will get you connected.
Steps at a glance
Sources
Country code +27 and 9-digit national number length
Official South African numbering authority
DIALING GUIDE
Follow these steps to reach any South African landline or mobile number from a UK phone or browser.
On a landline, dial 00. On a mobile phone, you can press and hold 0 to get the + symbol, which replaces the exit code.
00 or +
Enter 27 immediately after the exit code. This routes your call to the South African telephone network.
00 27 or +27
South African numbers start with a 0 domestically, but you must drop this 0 when dialling internationally. For landlines, enter the 2-digit area code (e.g. 11 for Johannesburg, 21 for Cape Town). For mobiles, enter the 2-digit mobile prefix (e.g. 82, 73, 61).
00 27 21 โฆ (Cape Town landline) or +27 82 โฆ (mobile)
Complete the call by entering the remaining 7 digits of the local phone number. The total after +27 should always be 9 digits.
00 27 21 123 4567 or +27 82 123 4567
Dialing format reference
+27
Use these patterns when entering a full international number to +27.
Mobile
+27 XX XXX XXXX
Landline
+27 XX XXX XXXX
Major city area codes
Sources
Country code, area codes, closed numbering plan details
10-digit domestic format confirmation
DIALING RULES
A few formatting rules to keep in mind when dialling South African numbers from the United Kingdom.
South African numbers are 10 digits domestically (starting with 0). When dialling from the UK, replace the leading 0 with the country code +27. The 9 digits after +27 are all you need.
Every standard South African phone number (mobile or landline) is exactly 9 digits after the country code. If you have more or fewer digits, double-check the number.
South Africa uses a closed numbering plan since January 2007. This means you must dial the full number including the area code or mobile prefix, even for local calls within South Africa โ and certainly for international calls.
South Africa introduced mobile number portability in 2006. A number's prefix (e.g. 082, 073) may no longer indicate the current carrier, but the dialling format remains the same.
South African toll-free (0800), sharecall (0860), and premium-rate (086x) numbers may not be reachable from outside the country. If you need to reach a business, ask for their geographic or mobile number instead.
TIMING TIPS
South Africa is on SAST (UTC+2) year-round and does not observe daylight saving time. The UK shifts between GMT (UTC+0) in winter and BST (UTC+1) in summer, so the gap changes seasonally.
During UK summer (late Marchโlate October, BST), South Africa is 1 hour ahead. During UK winter (late Octoberโlate March, GMT), South Africa is 2 hours ahead. This narrow gap makes scheduling calls convenient.
UK Summer (BST)
+1 hour
Late March โ late October. When it's 9 AM in London, it's 10 AM in South Africa.
UK Winter (GMT)
+2 hours
Late October โ late March. When it's 9 AM in London, it's 11 AM in South Africa.
Sources
Confirms current 1-hour offset during BST
Confirms South Africa Standard Time has no DST
TROUBLESHOOTING
If your call isn't connecting, check these common problems before trying again.
The most common mistake: dialling +27 0XX instead of +27 XX. The domestic leading 0 is a trunk prefix and must be removed for international calls.
After the +27 country code, a South African number should be exactly 9 digits. If you have more or fewer, verify the number with your contact.
From a UK landline, the exit code is 00. On a mobile, use the + symbol. Using a different country's exit code (e.g. 011, which is the US exit code) will not work.
Some UK mobile plans or business lines restrict international dialling by default. Contact your provider to confirm international calls are enabled on your line.
Some special numbers (e.g. 0800 toll-free, 086x premium/sharecall) may not be reachable from outside South Africa. Request an alternative geographic or mobile number.
Sources
Number format and trunk prefix details
Savings
Adjust the tools below to compare Sayfone with typical retail pricing for calls to South Africa. Start with one call, then layer on monthly volume to see the bigger picture.
How to use these tools
Set duration and country. See Sayfone vs. an illustrative retail rate for the same call.
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$11.04
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220
min / month
~$45.08/min
~$34.04/min
~$20.24/min
~$4.60/min
$0.920/min
Annual saving vs. AT&T
Based on 220 min/month
Before you go
Open the full United Kingdom to South Africa guide, check rates, or browse other how-to guides from United Kingdom.
United Kingdom to South Africa calling guide
Per-minute rates, savings calculator, and what to expect on this route.
What it costs to call South Africa
See Sayfoneโs per-minute rate for South Africa and how it compares before you dial.
Route guides from United Kingdom
Other how-to guides from United Kingdom
FAQ
Answers to common questions about dialling South Africa from the United Kingdom.
Have another question about calling South Africa? Reach out to our support team.
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