contact form 7 add phone number field code example
Example: contact form 7 mobile number
<label> Your Name (required)
[text* your-name] </label>
<label> Your Email (required)
[email* your-email] </label>
<label> Your Phone Number (required)
[tel* tel-number] </label>
[radio contact-mode default:1 "Call me back" "Email me back"]
<label> Computer Make & Model (if known)
[text your-make_model] </label>
<label> Please describe the issue you are having with your computer
[textarea your-issue] </label>
[submit "Send"]