How to send text messages while roaming internationally in the United States?

When users roam on overseas mobile networks, the method of sending text messages is the same as within the country. They can directly enter the other party's number in the receiving number column. 1. Send to mobile phone in mainland China: directly enter the mobile phone number. 2. Send to PHS in mainland China: 0 Domestic long distance area code PHS number. 3. Send to local mobile phones or mobile phones in other countries and regions: 00 country or region code user number. "International roaming" means that when mobile phone users leave their home network, they can still continue to use their mobile phones for voice, text messaging, Internet access and other communications on other networks in other countries and regions. At present, China Telecom has opened CDMA and GSM international roaming services with operators in more than 200 countries and regions around the world, and the scope of roaming access is still expanding. You can continue to use CDMA or GSM network standard mobile phones for communication in these countries and regions. During roaming visits, China Telecom's global service hotline 18918910000 provides 7×24 free manual services. Applicable to China Telecom postpaid mobile phone and prepaid mobile phone (excluding wireless broadband) users who have applied for a Vodafone international card. Application: Pre-deposit-free: Postpaid mobile customers only need to meet any of the following conditions to apply for pre-deposit-free services through the Palm Business Hall, Huango website, SMS business hall, account manager, business hall, or No. 10000. 1. Bank collection customers; 2. Postpaid mobile customers who have been online for more than 3 months and have no current arrears and downtime; 3. Diamond, gold, and silver card customers; 4. Green list customers. Pre-deposit: Other postpaid mobile customers can directly deduct international, Hong Kong, Macao and Taiwan roaming and domestic communications after pre-depositing ≥500 yuan in phone charges (the pre-deposited charges are effective in the same month and cannot be withdrawn after depositing. They can only be used to pay for China Telecom's communication services). and other fees, no limit on use and validity period) can be handled through the Huango website, account manager, or business hall. To learn more about service discounts, click the "official website" below and customer service 217 will answer your questions.