Phone Number Lookup
RealValidito Phone Number Lookup — Instantly Verify Any US & Canada Phone Number
A phone number lookup is a service that checks whether a phone number is real, active, and reachable — and returns carrier name, line type (mobile, landline, or VoIP), geographic location, and time zone in real time. RealValidito’s phone number lookup tool covers all US and Canada numbers and delivers results in under one second.
Businesses use phone number lookup to clean contact lists, improve SMS deliverability, reduce messaging costs, and ensure only valid numbers enter their CRM or web forms. Whether you check a single number or upload a CSV with thousands, RealValidito gives you accurate, live phone intelligence every time.
Trusted by marketing teams, contact centers, and developers to validate millions of phone numbers per month across the United States and Canada.
Free US & Canada Phone Number Lookup — Check Carrier, Line Type & Validation Status Instantly
Try Phone Number Lookup For Free
Enter any US or Canada number and get instant carrier, line type, and validation results:
Why Use Phone Number Lookup?

Improve Data Quality & Deliverability
Clean phone data directly improves campaign deliverability. RealValidito phone number lookup verifies each number against live carrier data before it enters your CRM, web form, or send list — so you always work with accurate, up-to-date contact information.

Cut SMS & Calling Costs
Sending SMS to invalid, landline, or inactive numbers wastes budget. Phone number lookup identifies inactive or wrong-type numbers before you send, eliminating failed delivery charges and reducing overall messaging spend.

Reach Customers on the Right Channel
Knowing whether a number is mobile, landline, or VoIP lets you choose the most effective outreach channel. Text marketing works only on mobile lines; phone calls reach any line type. RealValidito tells you exactly what you are calling before you dial.

How Phone Number Lookup Works
1 Enter a US or Canada Phone Number
Type any 10-digit US or Canada phone number into the search field. No formatting required — RealValidito accepts numbers in any format.
2 Run the Phone Number Lookup API
Our system queries live carrier databases and multiple validation sources simultaneously, checking the number’s current status in real time.
3 Receive Instant Results in Under 1 Second
Within milliseconds, you receive a verdict: valid or invalid, active or inactive, mobile or landline or VoIP.
4 View Full Number Intelligence
Detailed results include carrier name, line type, area code location (city, state, country), time zone. Click here to check DNC/TCPA risk status.
Phone Number Lookup Features

Real-Time Phone Number Validation

Line Type Detection (Mobile, Landline, VoIP)

Carrier Lookup

Location & Time Zone

Phone Number Lookup API

Bulk Phone Number Lookup (Batch Validation)
Phone Number Lookup — Frequently Asked Questions
What is phone number lookup?
Phone number lookup is a real-time service that checks whether a phone number is valid, active, and reachable. It returns the carrier name, line type (mobile, landline, or VoIP), geographic location, time zone, and connectivity status for any US or Canada phone number. Businesses use phone number lookup to clean contact lists, validate entries at the point of web form submission, and prevent invalid numbers from entering their CRM systems.
How accurate is RealValidito phone number lookup?
RealValidito queries live carrier databases in real time, which means results reflect a number’s current status rather than outdated records. The tool detects recent number ports between carriers and correctly identifies ported mobile numbers. For standard US and Canada numbers, validity and carrier data accuracy exceeds 98%.
Is phone number lookup free?
Yes. New RealValidito accounts receive 1,000 free phone number lookup credits with no credit card required. The free credits let you test single lookups and small batch validations before subscribing to a paid plan.
What is the difference between a mobile, landline, and VoIP phone number?
A mobile (cell phone) number is assigned to a SIM card and can receive SMS text messages. A landline number is connected to a fixed telephone line at a physical address and cannot receive SMS. A VoIP number is assigned via an internet-based phone service (such as Google Voice or Skype) and may or may not support SMS depending on the provider. RealValidito’s phone number lookup identifies all three line types instantly.
Why should I validate phone numbers before an SMS marketing campaign?
Sending SMS to landline numbers, inactive numbers, or invalid numbers increases your carrier costs, harms your sender reputation, and reduces campaign deliverability. Phone number validation before sending filters out non-mobile numbers and inactive lines, so your messages reach real, reachable contacts only.
Can I look up which carrier owns a phone number?
Yes. RealValidito’s carrier lookup identifies the current network provider for any US or Canada phone number. Because numbers can be ported between carriers, the tool checks live portability records to return the current carrier — not just the original issuing carrier.
How does bulk phone number validation work?
Bulk phone number validation lets you upload a CSV file containing multiple phone numbers and validate all of them in a single batch. RealValidito processes each number against live carrier data and returns a downloadable results file with validation status, line type, carrier, and location for every number. Lists of up to 50,000 numbers are supported.
What data does phone number lookup return?
A single phone number lookup returns: validity status (valid or invalid), activity status (active or inactive), line type (mobile, landline, or VoIP), carrier name, original carrier (for ported numbers), city, state, country, area code, ZIP code, and time zone.
Can I integrate phone number lookup into my website or CRM?
Yes. RealValidito provides a REST API that lets you integrate phone number validation directly into web forms, CRM platforms, mobile apps, and internal business systems. The API responds in under one second and returns JSON, making it easy to connect to any technology stack.
What is TCPA and how does phone number lookup help with compliance?
The Telephone Consumer Protection Act (TCPA) restricts unsolicited calls and text messages to certain number types and to numbers on Do Not Call (DNC) registries. RealValidito’s phone number lookup helps with TCPA compliance by identifying line type (required for call/SMS routing decisions) and by integrating with RealValidito’s DNC lookup to flag numbers on do-not-call lists before you reach out.
View more Phone Number Lookup FAQs.