foreach ($numbers as $number){
    $number = $twilio->lookups->v1->phoneNumbers($user->mobil)->fetch(['countryCode' => 'NO'])->phoneNumber;

    try {
        // Send SMS
        $twilio->messages->create(
            $number,
            [
                'from' => $settings->twilioNumber,
                'body' => $request->post('body')
            ]
        );
    } catch (Exception $e) {
        continue; // Continue (loop) to next number as this one failed/is invalid.
    }
}

use TwilioExceptionsConfigurationException;
use TwilioExceptionsDeserializeException;
use TwilioExceptionsEnvironmentException;
use TwilioExceptionsHttpException;
use TwilioExceptionsRestException;
use TwilioExceptionsTwimlException;