Stop Wasting Budget on Dead Numbers — Validate Before You Dial
Phone validation for marketing teams, call centers, and CRM developers. Clean your contact lists, screen for DNC risk, and focus your outreach on valid numbers — before you spend a cent on a campaign.
Try Free — No Credit Card Needed1,000 free Phone Lookup credits · Credits never expire · Pay only for what you use
Every marketing database collects bad phone numbers over time: numbers that are invalid, no longer assigned to a carrier, or the wrong line type for your channel. Every bad number wastes agent time, burns campaign spend, and risks compliance penalties.
Phone validation removes bad data before it reaches your team — so every dial, text, and outreach dollar counts.
Illustrative example — the mix in your own list will differ.
Phone Lookup and DNC Lookup in one place — run them separately, or together with Phone + DNC Lookup.
Valid = a real US or Canada number assigned to a carrier. Invalid = badly formed or not assigned.
Mobile, Landline, VoIP or Toll-Free
Current carrier (ported numbers included), plus city, state, ZIP and time zone
US numbers: Federal (National) DNC list, TCPA Litigator list and 6 state DNC lists
REST API with JSON responses — up to 1,000 numbers per request, from any language that can send an HTTPS request. Also connects with GoHighLevel and Zapier. Bulk CSV upload handles up to 50,000 rows per file.
View API Docs Start FreeWe check the number itself — Valid or Invalid, line type, carrier and location. We do not return owner names, addresses, or other personal data, and our data must not be used for FCRA purposes such as employment, tenant, insurance or credit screening.
Yes — upload CSV files with up to 50,000 rows each (up to 50 files at a time). You can also use the REST API for up to 1,000 numbers per request.
Never. Credits stay in your account until you use them. No subscriptions, no monthly minimums — pure pay-as-you-go pricing.
Phone Lookup covers US and Canada (NANP, country code +1) numbers. DNC Lookup covers US numbers only. Numbers outside the North American Numbering Plan are not supported.