1. From the left hand side nav in Squarespace, click Settings > Website > Advanced.
2. Click on Code Injection
3. Enter the Free Call Code In FOOTER., (or if you are on older version, please slect "(after content element)")
Note: To find your Free Call code:
About Free Call, inc.
With Free Call, your customers can call you for free from anywhere in the world. You will receive that call at any landline, mobile phone, or SIP phone that you designate. Messages are seamlessly built into the software platform.