Free Phone & SMS Tools
Lookup, validate, format, and analyse phone numbers. Count SMS characters, generate OTP codes, find country dialling codes — all free, no sign‑up required.
Phone Number Tools
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Phone Number Lookup
Look up country, format, and type for any phone number.
Phone Number Validator
Check if a phone number is valid and properly formatted.
Phone Number Formatter
Format any phone number into international, national, or E.164 format.
Carrier Lookup
Identify the carrier / network for a phone number prefix.
Country Code Lookup
Find the international dialling code for any country.
Spam Number Checker
Check whether a phone number is associated with spam or robocalls.
SMS & OTP Tools
Need an actual virtual number?
These tools help you analyse numbers. NumberOTP gives you real private numbers in 150+ countries to receive OTP codes instantly.