Ringba offers an assortment of landing pages available for you to download and use in your campaigns, absolutely free. The pages are designed for pay-per-call campaigns and are mobile-ready.
The themes include multiple color options and multiple background images you can use for A/B testing.
To see a full list of the pay-per-call landing page categories and download these landing pages for yourself, visit this Google Sheet:
The Ringba.com Ultimate Resources Sheet for Pay Per Call