While surfing the internet, you can experience that many websites post their phone number in different formats. Somewhere you will find –
An SEO consultant asked the question to John Muller of Google. He answered that Google can figure out the difference easily. He said that one mandatory format would be futile. You can understand that Google can differentiate the format and figure out the digits easily.
In Twitter, John said; “I imagine it’s futile for any directory to require phone numbers with specific separators.”