Format US Phone Number

Used in Format US Phone Number, this workflow efficiently validates and formats US phone numbers, ensuring they meet national standards. It checks for valid country codes, removes unnecessary formatting, and generates multiple formats including E-164 and national styles, enhancing data consistency and usability.

7/8/2025
7 nodes
Medium
manualmediumexecuteworkflowtriggerlogicconditionalrouting
Categories:
Manual TriggeredBusiness Process AutomationMedium Workflow
Integrations:
ExecuteWorkflowTrigger

Target Audience

  • Businesses: Companies that need to process and format customer phone numbers for communication and marketing purposes.
    - Developers: Individuals creating applications that require standardized phone number formats.
    - Data Analysts: Professionals who analyze customer data and need consistent phone number formats for reporting.
    - Customer Support Teams: Teams that require accurate contact information for reaching out to customers effectively.

    • Problem Solved

    This workflow automates the process of formatting US phone numbers, ensuring they are standardized and valid. It addresses common issues such as:
    - Invalid Formats: Strips out non-numeric characters and checks the validity of the phone number.
    - Inconsistent Lengths: Ensures numbers are checked for the correct length (10 or 11 digits).
    - Country Code Addition: Automatically adds the US country code if missing.

    Workflow Steps

  • Trigger: The workflow is manually triggered by another workflow using ExecuteWorkflowTrigger.
    - Strip Formatting: It first strips any formatting from the phone number, leaving only numeric characters.
    - Check Length: The workflow checks the length of the phone number to ensure it is either 10 or 11 digits.
    - Validate Country Code: It checks if the first digit is a valid country code (1 for the US) and adds it if necessary.
    - Format Numbers: Finally, the workflow formats the phone number into various formats:
    - E-164 format (e.g., +12345678901)
    - National format (e.g., (234) 567-8901)
    - Full national format (e.g., 1 (234) 567-8901)
    - International format (e.g., 00-1-234-567-8901)
    - Output: The formatted phone numbers are then ready for use or further processing.

    • Customization Guide

  • Add More Formats: Users can customize the Format phone numbers step to include additional formats as required.
    - Change Validity Checks: Adjust the conditions in the Check number of digits in phone number node to accommodate different phone number lengths or formats.
    - Integrate with Other Workflows: Users can connect this workflow to other workflows for enhanced data processing capabilities.
    - Modify Initial Input: The input parameter for the phone number can be modified to accept different types of data sources, such as databases or user inputs.