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Cellular Network Configuration

Configuring your wireless device to use a Twilio SIM card requires only a few small configuration items.

APN


The Access Point Name (APN) for Programmable Wireless (red) SIMs is:

wireless.twilio.com

The APN for Narrowband SIMs provided in partnership with T-Mobile USA is:

iot.nb

No authentication is required for either APN.

Commands Phone Number


Commands sent from the Twilio cloud to your SIM will arrive from the reserved phone number:

2936

Similarly, Commands sent from your SIM to the Twilio cloud must be sent to the same number.

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd browsing the Twilio tag on Stack Overflow.