Upload your list
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
For US and Canada numbers, identify line type, carrier, and region or city with high accuracy.
Price (per 10,000 numbers) $15 USD
For US and Canada numbers, identify line type, carrier, and region or city with high accuracy.
For US and Canada numbers, identify line type, carrier, and region or city with high accuracy.
Price (per 10,000 numbers) $15 USD
For US and Canada numbers, identify line type, carrier, and region or city with high accuracy.
No account, number, or SIM required
Every check runs through official platform APIs on our own infrastructure. You never connect, bind, or use your own account, phone number, or SIM card — just upload your list or call the API and get results.
Detection signals
Advanced US Carrier Checker runs a deeper carrier-network lookup for US and Canada phone numbers than the standard carrier check. Coverage is limited to US and Canada, and results are returned without messaging the number or logging in to any account.
Coverage is limited to United States (US) and Canada (CA) numbers, matching the networks this deeper lookup is built against.
Runs a more thorough lookup against carrier and line-type data than the standard carrier check, for cases where the standard result needs extra confirmation.
Reads registration signals only. The account holder is never messaged, logged in to, or notified.
Workflow
Use Advanced US Carrier Checker as part of a repeatable list-cleaning workflow before outreach, CRM imports, or audience segmentation.
Import CSV or TXT files with phone number data, then confirm the task settings before processing.
NumberChecker.AI processes the file in bulk and returns structured status signals for each row.
Download results and route clean, matched, unmatched, or review-needed rows into your next workflow.
Outputs
Use cases
Remove unsupported or low-confidence records before campaigns or imports.
Create groups based on platform, email, phone, or account-related signals.
Send uncertain or high-value records into a separate internal review queue.
Related checks
Explore checks that teams often run before or after this product.
FAQ
Yes. Upload a CSV of US and Canada numbers or call the REST API, then download a result file with carrier and line-type data for every number. You are billed only for successful lookups.
No. The check is passive and only queries carrier and line-type data. Nothing is sent to the number, and the account holder is never contacted or notified.
Both look up carrier information for US numbers. Advanced US Carrier Checker runs a deeper, more precise network query specifically for US and Canada numbers, intended for cases that need extra confirmation beyond the standard carrier lookup.
Yes. New accounts receive free checks on signup, and every check is pay-as-you-go with no monthly fee.
Compare pricing, review API options, or create an account to upload your first production list.