Go to the official Alltel website and record for a linked version. Offer your name, address and mobile number in the fit fields to complete process. Once your listing is ample, you will be able to use Alltel's online fashionable features. Sign in to your Alltel online account using the address and password you chose when listing your account. Tick the 'Send a Text Message' link located at the top of the page. Choose whether to send your online text message with 'Normal' or 'Urgent' delivery. Click 'Send Message' to send the message to the recipient.