Phone Number Parser

How the Phone Number Parser Works

What the Tool Does

The Phone Number Parser validates and formats international phone numbers using the libphonenumber library. Enter a phone number in any format and get its standardized representations (International, National, E.164, RFC3966), detected country, number type (mobile, fixed-line, toll-free), and validation status.

Common Developer Use Cases

Developers use phone parsers when validating user input in registration forms, normalizing phone numbers for database storage, detecting the country of origin for routing or localization, and converting between display formats (national vs international). The E.164 format is the standard for APIs like Twilio, Vonage, and AWS SNS.

Phone Number Formats

Phone numbers can be represented in several standard formats: International (+1 650 253 0000), National ((650) 253-0000), E.164 (+16502530000, digits only with country code), and RFC3966 (tel:+1-650-253-0000, used in HTML tel: links). The parser accepts input in any of these formats and produces all variants.

Common Pitfalls and Edge Cases

Numbers without a country code require a default country to parse correctly. Some numbers are valid in one country but not another. Short codes, emergency numbers, and premium-rate numbers have special validation rules. The parser distinguishes between 'possible' (correct length) and 'valid' (known number plan) — a possible number may not be dialable.