Messaging Resources
Phone Number Standards
Learn about international phone number formats, area codes, and validation.
Bhutan phone numbers (+975): complete format guide with area codes and validation rules. Includes mobile/landline patterns, examples, and regex snippets.
Russia phone numbers (+7): complete format guide with area codes and validation rules. Includes mobile/landline patterns, examples, and regex snippets.
Bonaire, Sint Eustatius, and Saba phone numbers (+599): complete format guide with area codes and validation rules. Includes mobile/landline patterns, examples, and regex snippets.
Area Code Resources
Find resources related to area codes and their usage in different regions.
Discover everything about Area Code 505, covering Albuquerque, NM. Learn about its geographic reach, dialing patterns, and more.
Discover Area Code 406: Coverage, cities, carriers, history, and regulations of Montana's sole area code.
Discover Area Code 410's coverage in Maryland, major cities, carriers, and regulatory details. Learn about its history and dialing requirements.
SMS Compliance Resources
Explore resources and standards for SMS compliance and regulations.
Master UAE SMS compliance: Sender ID, message limits, and best practices for effective communication.
Learn SMS compliance in Afghanistan: message limits, best practices, and legal guidelines for effective communication.
Discover Samoa's SMS guidelines: best practices, compliance, and technical details for effective messaging strategies.
Messaging Resources
Telecommunications Standards, SMS API Compliance, and more.
Estimate your SMS costs in Turkmenistan from top providers like Twilio, Plivo, Sinch, and Infobip. Compare rates, features, and choose the best SMS API service for your needs.
Estimate your SMS costs in Anguilla from top providers like Twilio, Plivo, Sinch, and Infobip. Compare rates, features, and choose the best SMS API service for your needs.
Estimate SMS costs in Malawi from top providers like Twilio, Plivo, Sinch, and Infobip. Compare rates, features, and choose the best SMS API service.
Messaging Channels
Explore different messaging channels and strategies to maximize reach.
Apple's iOS 18 rolls out RCS support to iPhone, revolutionizing text messaging with high-quality media sharing, read receipts, and enhanced cross-platform features. Learn how to activate RCS on your iPhone and what it means for your messaging experience.
Legal Resources
Access legal guidelines and resources for telecommunications and messaging.
Commercial License Agreement - Sent, Inc.
Privacy Policy - Sent, Inc.
Online Terms of Service - Sent, Inc.
Messaging Tools and Utilities
Discover tools to optimize your messaging workflows and improve deliverability.
Discover detailed phone number insights with our API, including carrier, fraud status, and portability. Optimize your data lookup process today.
Messaging Resources
Telecommunications Standards, SMS API Compliance, and more.
SMS Compliance and Regulations by country.