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International Formatting Phone Number Validation Carrier Identification Voltage Information Country Specifics Converter Requirements Frequency Details Adapter Requirements Timezone Detection Plug Types Line Type Classification Location Lookup

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Best international formatting APIs

Plug Type and Voltage by Country API

Tools & Utilities

Plug types, voltage and frequency for 243 countries, and "do I need an adapter or converter?" answers.

100% uptime 123ms avg MCP ready

Phone Validator E164 Carrier and Timezone API

Communication & Messaging

Validate and format phone numbers for 240+ countries: E.164, international and national format, line type (mobile, landline, VoIP), original carrier, location and time zone. Fast and offline.