SMS Gateway AT&T

“We have the industry’s best global SMS gateway to AT&T.
It’s reliable, scalable, blazing fast & free to try!”

our sms gateway is used by some of the world’s smartest companies

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Worldwide delivery
Within 10 seconds
Fixed price View pricelist
Top up minimal €25,-
API Access
Connect secure SMPP
3rd party integrations
Direct connection

Connect to our gateway via API, HTTPS or SMPP

Connected operators

MCC MNC Country - Operator
310150The United States - AT&T
33450Mexico - AT&T
Show more operators
311160United States (311) - AT&T
311180United States (311) - AT&T
31070The United States - AT&T
310170The United States - AT&T
310280The United States - AT&T
310380The United States - AT&T
310410The United States - AT&T
310560The United States - AT&T
310670The United States - AT&T
310680The United States - AT&T
31070The United States - AT&T
33410Mexico - AT&T
33440Mexico - AT&T
33490Mexico - AT&T
20465The Netherlands - AT&T
360100Saint Vincent and the Grenadines - AT&T
* VAT excluded

For a detailed list of all prices per country view our pricelist


We provide bulk sms service in AT&T at a very affordable cost. Our bulk sms gateway allows you to send cheap group text messages to bulk lists of cell phone numbers in AT&T. It is a perfect solution for alerts, marketing or simply communicating with staff and clients. We cover all operators in AT&T and 2000+ operators globally. lets you send SMS text messages to a range of operators in each country straight from your own applications. Connection is easy and feel free to check our integration possibilities to SMS gateway AT&T.

Why choose our SMS gateway to AT&T

Our SMS gateway allows you to integrate sending Mobile Terminated (MT) SMS to AT&T directly into your business systems. Our bulk SMS solution is designed to handle a large amount of text messages per month. Try our ‘SMS gateway Direct’ if you prefer sending small numbers of SMS messages to AT&T. You can connect your applications to CM’s SMS gateway using the SMPP or HTTPS protocol and our API. The SMS gateway delivers text messages in more than 180 countries and is designed for high throughput traffic. It requires the sender to own a fully operational platform. You can choose the package that suits your traffic best. We have an SMS solution for everyone!

CM’s wholesale SMS solution to AT&T

CM Telecom is your partner in sending SMS messages to AT&T. Our SMS gateway is suitable for aggregators and large corporations sending high volumes of text messages to eg. AT&T. We serve a demanding clientele which consists of government agencies, banking institutions, international enterprises, broadcasting stations, global Over-the-Top communication providers and SMS aggregators. Our solution is reliable, scalable and delivers your SMS quickly and securely.

If you are interested in the technical documentation to setup SMPP gateway connections or HTTPS gateway connections with our platform, please feel free to download our technical specifications.

From startups to Fortune 500
Join 20.000+ businesses using our platform.

our sms gateway is used by some of the world’s smartest companies

Ikea Microsoft Whatsapp DHL BMW Facebook AirBnB McDonalds