About this tool
When filling international e-commerce forms, signing up for global developer accounts, or contacting overseas clients, phone number formatting errors are a frequent culprit behind rejected submissions. Each country uses distinct dial codes, domestic trunk prefixes, and mobile numbering ranges.
This tool provides instantaneous, serverless phone number parsing and standardization. Paste any raw telephone string to convert it into the globally required E.164 format, standard national format, and RFC 3966 click-to-call link. It automatically identifies the country, state/province, city, line type, and live local business hours.
Common use cases
- Standardizing raw contact numbers into E.164 format (+1XXXXXXXXXX) required by Stripe, Twilio, and global checkout forms
- Verifying whether a US phone number belongs to a sales-tax-free state (Oregon, Delaware, etc.) for cross-border shipping and digital billing
- Checking current local time and business hours before initiating overseas client communication
- Differentiating between mobile phones, landlines, and toll-free numbers (such as 1-800 or 1-888)
- Software testing and developer QA: verifying international telecommunication form inputs against real dial plans
FAQ
- What is E.164 format and why is it required?
E.164 is the international standard defined by the ITU for public telecommunication numbering. It consists of a '+' sign, the country code, and the national number without spaces or dashes (e.g. +12135550199). Global payment gateways and SMS delivery platforms require this exact format.
- Can this tool distinguish between mobile phones and landlines?
Yes, for countries with dedicated mobile numbering ranges (such as Australia 04xx, France 06/07, Singapore 8/9, Hong Kong 5/6/9, and Japan 070/080/090). For the US and Canada, it accurately identifies toll-free prefixes (800, 888, 877, etc.) and geographic area codes.
- Is my phone number uploaded or logged anywhere?
No. All phone parsing, database lookup, and timezone computations run 100% locally in your browser. Zero data leaves your machine.
- Why do both the US and Canada share the +1 country code?
Both countries belong to the North American Numbering Plan (NANP) and share international calling code +1. Our database differentiates them by their unique 3-digit area codes.