Phone Number Verification for Telemarketing Companies

What’s the impact on your telemarketing operation every time an agent dials a disconnected number?

It’s a direct hit to productivity, morale, and profitability. Your agents are working hard, but they’re burning through their day on numbers that will never connect. Every disconnected dial is wasted time, wasted payroll, and a missed opportunity to reach a real prospect.

And then there’s the compliance risk. How much stress do you carry about TCPA violations? One mistake—one call to a reassigned wireless number, one contact on the Do Not Call list—can result in fines that devastate your operation. The Federal Trade Commission doesn’t care that it was an honest mistake. The penalties are severe, and they add up quickly.

How long has this been part of your daily reality? The constant worry about whether your lists are clean, whether your operation is compliant, whether your agents are wasting their time on bad numbers. It’s exhausting.

Think about the math. If your agents are making ten thousand calls per day and thirty percent of those numbers are disconnected or non-compliant, that’s three thousand wasted dials every single day. Over a month, that’s ninety thousand failed attempts. What could your operation accomplish if those ninety thousand dials reached valid, compliant prospects instead?

Phone Verification Built for Telemarketing Operations

Our phone number verification service is the definitive solution for telemarketing companies. We validate every number, ensure TCPA compliance, and maximize your connection rates so your agents can focus on what they do best: having conversations with real prospects.

What We Deliver

Comprehensive Phone Validation: We verify that every phone number in your database is active and currently in service. Disconnected numbers, invalid formats, and non-working lines are identified and removed before your agents ever dial them.

Mobile vs. Landline Identification: We identify whether each number is a mobile phone or a landline, allowing you to apply the appropriate dialing strategies and comply with TCPA regulations regarding wireless numbers.

DNC Registry Scrubbing: We cross-reference your lists against the National Do Not Call Registry and state-specific registries, removing any numbers that have opted out. Your operation stays compliant, and you avoid costly violations.

Reassigned Number Detection: Wireless numbers get reassigned frequently. We identify numbers that have been reassigned to new subscribers, protecting you from TCPA violations related to calling the wrong person.

The Relief of Compliant, Efficient Operations

Imagine the feeling of relief, knowing your operation is protected from costly TCPA fines. No more anxiety about whether a number on your list has been reassigned. No more worry about accidentally calling someone on the Do Not Call list. Just confidence that every dial is both valid and compliant.

Your agents’ performance skyrockets. Instead of spending half their day dialing disconnected numbers, they’re connecting with live prospects on nearly every call. Connection rates improve dramatically. Morale lifts. Your entire operation runs more efficiently.

What would that do for your bottom line? What would it mean for your peace of mind as an operator to know that compliance is handled and your team is working with verified data?

And here’s something else: when you work with List57, you’re not just getting phone verification services. You’re getting access to our exclusive free merch program. High-quality, stylish, sporty merchandise that you’ll actually want to wear—absolutely free with your order. It’s the kind of unexpected value that makes working with us feel different.