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Cellular Network Configuration

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


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

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


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:


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

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