Your source for direct mail, telemarketing, and email marketing data

Gemstone Data is the industry‚Äôs leading provider for direct mail lists, telemarketing lists, and email marketing lists. You can login to our data portal and create customized prospecting lists tailored to your specific campaign requirements, run an unlimited number of counts, and download your direct mail lists, telemarketing lists, and email marketing lists in real-time! We update each of our marketing databases monthly, and more importantly the accuracy of every prospecting list you download is guaranteed in writing.

Capture the attention of your prospects on their mobile device!

Increase your response rates when you use our mobile advertising services to add multiple touchpoints to your current direct mail, telemarketing, and digital marketing campaigns!
Geofence Marketing and Mobile Advertising Solutions

Harness the potential of location-based marketing with our geofence marketing and mobile advertising solutions. Target customers when they are in close proximity to your business, delivering personalized messages and offers directly to their mobile devices. Maximize customer engagement and drive foot traffic to your physical store or boost online conversions through mobile advertising.

Addressable Geofencing for Hyper-Targeted Marketing

With our addressable geofencing capabilities, you can take your geofence marketing to the next level. Define precise boundaries and target specific locations with accuracy, allowing you to deliver tailored messages to customers within those geofenced areas. This hyper-targeted approach ensures that your marketing efforts are highly relevant and impactful.

Discover our high-quality B2C telemarketing lists for sale, meticulously curated to fuel your customer outreach. Unlock the potential of targeted communication and drive conversion rates with our comprehensive database of phone numbers and valuable consumer insights.

Email List


the power of targeted email marketing with our premium email lists. Reach your ideal audience and boost engagement by harnessing the potential of our carefully curated email list database

  • Precision

    75% of email revenue is generated by segmented, targeted, and triggered campaigns. - DMA

Enhance your customer data with our reliable phone appending services. Expand your reach and connect with your audience through accurate and up-to-date phone numbers, driving better engagement and improved campaign results.

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