Phone Parser And Formatter

Free online tool. All processing is client-side. No signup needed.

How to Use the Phone Parser And Formatter

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What is a Phone Parser And Formatter?

A Phone Parser and Formatter takes any phone number — in raw, partially-formatted, or international format — and parses it into its components (country code, area code, local number, extension), then reformats it in your preferred style (US, international E.164, RFC 3966 tel: URI, or custom). Phone numbers are surprisingly complex: different countries have different digit patterns, trunk prefixes, and formatting conventions. This tool normalizes them for consistent display, database storage, and API input.

How Does It Work?

Enter any phone number. The parser detects the country from the calling code (+1, +44, +86, etc.) or assumes a default country. It extracts: country code, national destination code (area code), subscriber number, and extension (if present). Validation: checks that the number of digits matches the expected length for the detected country. If the number is valid, it can be reformatted into: National (with parentheses and dashes), International (+1 (555) 123-4567), E.164 (+15551234567 — for APIs and databases), or RFC 3966 (tel:+1-555-123-4567 — for HTML links).

Formula

Phone Number Components (E.164 standard):\n\n+<country_code> <national_destination_code> <subscriber_number>\n\nUS/Canada (+1 NPA-NXX-XXXX):\n• Country Code: +1\n• NPA (area code): 3 digits (200-999, can't start with 0 or 1)\n• NXX (central office): 3 digits (200-999)\n• Line: 4 digits (0000-9999)\n\nFormatting Styles:\n• E.164: +15551234567 (API/database)\n• International: +1 (555) 123-4567\n• National (US): (555) 123-4567\n• RFC 3966: tel:+1-555-123-4567;ext=789 (HTML link)\n• Local: 555-1234\n\nCommon Country Codes:\n• +1 US/Canada | +44 UK | +86 China\n• +49 Germany | +33 France | +81 Japan\n• +91 India | +61 Australia | +55 Brazil\n\nValidation: checks digit count, area code validity, and format rules per country

Who Uses This Tool?

Web developers normalizing phone numbers for database storage (E.164)
CRM users formatting contact lists with consistent phone number styling
E-commerce checkout forms validating and formatting international phone numbers
Marketing teams cleaning phone number data before SMS or calling campaigns
Anyone creating `tel:` links for email signatures or HTML documents

Pro Tips

Store phone numbers in E.164 format (+15551234567) in your database. It's unambiguous, sortable, and accepted by every telephony API (Twilio, Vonage, etc.)
For HTML, use tel: links: `<a href=\
>Call us</a>`. On mobile, this opens the phone dialer directly
US area codes can't start with 0 or 1, and the second digit can't be 9 (reserved for future expansion). If parsing fails, these rules often catch typos
Extension numbers (x123) are not part of E.164. Store them separately or in a notes field

Free online Phone Parser And Formatter — no signup, 100% client-side processing. All data stays in your browser.