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Searching Phone Numbers
(This page was last updated on the 25/04/2026)Searching telephones numbers online, either landlines or mobile / cell, can be effective, however as well and searching it starting with a local code and an international code, it would be best if you also searched it as a ''phrase'' in the style which that that country sets out and spaces its telephone numbers.
There is some useful information on Wikipedia about how most countries set out their telephone numbers.
Some of the countries regularly searched generally have their telephone numbers set out in the follow style;
Australia +61 usually written in the style of Local Code/Country Code then 123 123 123
Canada +1 usually written in the style of Local Code/Country Code then 123 123 1234
China +86 usually written in the style of Local Code/Country Code then 123 1234 1234
France +33 usually written in the style of Local Code/Country Code then 1 12 12 12 12
Germany +49 usually written in the style of Local Code/Country Code then 1234 1234567
Hong Kong +852 usually written in the style of Local Code/Country Code then 1234 1234
India +91 usually written in the style of Local Code/Country Code then 12345 12345
Ireland +353 usually written in the style of Local Code/Country Code then 12 123 1234
Italy +39 usually written in the style of Local Code/Country Code then 123 123 1234
New Zealand +64 usually written in the style of Local Code/Country Code then 12 123 1234
Portugal +351 usually written in the style of Local Code/Country Code then 123 123 123
Russia +7 usually written in the style of Local Code/Country Code then 123 123 12 12
Slovakia +421 usually written in the style of Local Code/Country Code then 123 123 123
Spain +34 usually written in the style of Local Code/Country Code then 123 12 12 12
South Africa +27 usually written in the style of Local Code/Country Code then 12 123 1234
UK +44 usually written in the style of Local Code/Country Code then 1234 123456
Ukraine +380 usually written in the style of Local Code/Country Code then 12 123 1234
USA +1 usually written in the style of Local Code/Country Code then 123 123 1234
So as an example a UK landline may best be searched, as phrase and changing the spacing, firstly as
''01823123456'' & ''01823 123456'' & ''01823 123 456'' and then as
''1823123456'' & ''1823 123456'' & ''1823 123 456'' and then as
''441823123456'' & ''441823 123456'' & ''441823 123 456''
And an American one may best be searched, as phrase and changing the spacing, firstly as
''09171234567'' & ''0917 123 4567'' and then as
''9171234567'' & ''917 123 4567'' and then as
''19171234567'' & ''1917 123 4567''
UK Phone Number Search String Generator
Thanks to Tony Bennett of Opsimathy & Mark Fenton for allowing me to use the below.
More International Based Phone Number Search String Generator
The below can be used to generate a search string for a telephone number for use in a search engine. This will not provide a completely exhaustive list of all the potential number / space variations which you could do by doing single searches and then changing the spaces manually and may not work best with UK telephone numbers but it may be better than nothing.
The Generated Search String Of The Phone Number Will Be Shown In The Below Box
Analyst Research Tools has an International Phone Number Search tool, which is far from perfect but may be useful for some searches
No Nonsense Intel has an Phone Variant Search tool, which is far from perfect but may be useful for some searches