Reviews of Phone Number Data Sellers

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When it comes to buying phone number data, choosing the right seller is crucial. The quality, accuracy, and legality of the data you purchase can directly impact your marketing success and your company’s reputation. With a crowded market full of providers promising the best lists, it’s important to look beyond the sales pitch and carefully evaluate sellers based on key criteria such as data freshness, accuracy, compliance with regulations, customer support, and pricing. Here’s a breakdown of some well-known phone number data sellers and honest reviews based on user feedback and industry reputation.

1. Experian
Experian is one of the largest and most reputable data brokers worldwide. Their phone number data is known for high accuracy and frequent updates, which helps reduce bounce rates and improve outreach effectiveness. Experian also emphasizes compliance with regulations like TCPA and GDPR, making them a safe choice for businesses concerned about legal risks. Their pricing is on the higher end, but many users report the quality justifies the investment. Customer support is generally austria phone number list responsive, and integration with marketing platforms is smooth.

2. ZoomInfo
ZoomInfo offers extensive B2B contact databases, including phone numbers, emails, and firmographic data. Users praise ZoomInfo for its deep company insights and accurate contact information, especially for sales teams targeting business clients. Their platform includes advanced search and filtering capabilities, which help tailor lists to specific industries or roles. Pricing can be steep for small businesses, but the ROI is often reported as positive for companies with focused sales efforts. Compliance features are solid, but users should still perform their own due diligence.

3. InfoUSA (now Data Axle)
InfoUSA, recently rebranded as Data Axle, is a popular choice for both B2B and B2C phone data. They offer segmented lists and emphasize data hygiene with regular updates. Users appreciate their flexible pricing models and wide geographic coverage. Some reviews mention that data accuracy can vary depending on the segment, so buyers are advised to request samples and test smaller batches before scaling. Customer service is generally good, with helpful onboarding for new clients.

4. Lead411
Lead411 is favored by startups and SMBs for affordable and targeted phone lists. Their data is frequently updated, and they offer firmographic data alongside phone numbers. Users like their ease of use, especially their CRM integrations and lead enrichment tools. Some users note that data quality can be hit-or-miss depending on industry focus, so it’s best suited for businesses with niche targeting. Lead411 also stresses compliance and offers opt-in data segments for SMS marketing.

5. Lusha
Lusha is known for its browser extension that quickly enriches contact details during prospecting. While it’s not primarily a bulk data seller, many users rely on Lusha for on-demand phone number lookups. Its data is generally accurate for B2B contacts, but volume buyers might find it less cost-effective compared to traditional list providers. Lusha’s compliance practices are transparent, and they provide clear terms regarding data use.