How do I list my phone number on contact form

It could be the format of your phone number, which will be a different format to a UK number. Maybe you can leave that blank and include an email address in the text of the form?

Are you including the initial 00 exit code before the 1 (international code)?

Try adding +1 (US code) before your phone number.

That worked for me when I received a similar error message.

Good luck

If your previous post stating you don't have a cell phone is accurate, then really there's no reason to include a phone number. They'd likely only be trying to text you just prior to or during your stay. If it's mandatory to include, make sure you are including +1. They'd need to reach you via email so make sure you provide that info.

Thanks for the replies. I entered my phone number is both the phone number blank and subject blank and it went through. Hopefully I will get a reply.

I've found that the "less traveled" places often aren't set up for non-UK/EU numbers. If I owned a business in Scotland, I wouldn't be texting or calling US numbers, since there's a toll. Our recent trip to Barra "required" a deposit on a room, and the host emailed instructions on how to do several payment systems, none supported from the US. Once they realized we were from the USA, they said to skip it, but it took a few exchanges and a pinky promise to show up. On our May trip, even though our US carrier's international roaming rates were reasonable, I added a second esim for a UK number for restaurant reservations, bar enquires, boats tours, etc.