Phone Lookup
Know What You Are Calling Before You Call It
Every number in your contact list has a story. Is it a mobile number that accepts SMS? A landline that will never receive your text? A VoIP number flagged for high-risk activity? A disconnected line you have been paying to reach for months?
RealValidito’s phone lookup tool surfaces that intelligence instantly — for one number or fifty thousand. Check carrier, line type, location, and active status — or use the free phone validator for individual number checks so your outreach reaches real people on real devices, and your budget stops disappearing into dead numbers.
Trusted by marketing teams, call centers, and operations teams to clean millions of contact records per month across the United States and Canada.
Free US & Canada Phone Lookup — Check Carrier, Line Type & Validation Status Instantly
Try Phone Lookup For Free
Enter any US or Canada number and get instant carrier, line type, and validation results:
Why Line Type Is the Most Valuable Signal in Your List

SMS Goes to Mobile Only
Your SMS platform charges per message sent — including to landlines that can never receive it. Phone lookup strips landlines and invalid numbers before your campaign sends, cutting wasted spend and improving deliverability scores.

VoIP Signals Higher Risk
VoIP numbers are statistically more likely to be registered to high-risk contacts, overseas proxy services, or temporary accounts. Flagging them before outreach protects your sender reputation and call center metrics. For full TCPA compliance, pair phone lookup with DNC scrubbing to screen against the Do Not Call Registry before every campaign.

Dead Numbers Hurt Deliverability
Inactive numbers generate hard bounces that damage your sender score with carriers. Running a phone lookup before any outreach campaign removes disconnected numbers before they cost you reputation points.

How Phone Lookup Works
1 Enter a US or Canada Phone Number
Type any 10-digit number into the search field. Any format is accepted — dashes, spaces, parentheses, plain digits. RealValidito strips formatting automatically.
2 Live Carrier Data Is Queried
Our system checks the number against 100+ authoritative carrier sources simultaneously — including porting history — to return current, accurate status rather than cached records.
3 Results in Under 1 Second
Within milliseconds you see valid or invalid, active or inactive, and full line type detail. No waiting, no queuing.
4 Full Phone Intelligence Delivered
Carrier name, line type, city, state, ZIP, time zone, and disposable number flag. Need compliance data too? Check DNC and TCPA status →
Phone Lookup Features

Active Status Check

Line Type Detection

Carrier Name & Type

Geographic Details

Bulk CSV Validation

Real-Time Phone Lookup API
Built for Marketing and Operations Teams
Before an SMS campaign — strip landlines and invalid numbers. Your deliverability improves, your cost per delivered message drops, and your sender reputation stays clean.
Before a cold calling sprint — prioritise mobile numbers, flag VoIP. Your agents spend time on real conversations instead of dead lines and disconnected numbers.
CRM hygiene runs — schedule monthly lookups against your full contact database to catch numbers that have gone inactive since you collected them. Export results as CSV.
Lead scoring — a mobile number from a major carrier is a stronger lead signal than a prepaid VoIP number. Add line type as a scored field in your lead qualification model.
List purchases — before importing a bought list, run it through phone lookup. Know the quality of what you are working with before your first send.
Frequently Asked Questions — Phone Lookup
What is the difference between phone lookup and phone validation?
Validation checks whether a number is correctly formatted and active. Lookup goes further — returning carrier name, line type, location, and time zone. RealValidito performs both in a single query.
How fresh is the carrier data?
The database is synchronised continuously from 100+ authoritative sources. Number portability events are reflected within 24–48 hours on average, so you always get current carrier data rather than outdated records.
Can I use lookup results for TCPA compliance?
Line type data helps you route contacts appropriately — for example, avoiding auto-dialling VoIP or landline numbers with an ATDS. For full TCPA compliance, combine phone lookup with DNC scrubbing. See DNC Lookup →
Does phone lookup work for Canadian numbers?
Yes. Full carrier and line type data is available for all US and Canada phone numbers.
How many numbers can I check at once?
Single lookups run instantly in the tool above. For bulk lists, upload a CSV with up to 50,000 numbers via your dashboard. For automated workflows, use the Phone Lookup API which accepts up to 1,000 numbers per request.