I became a Southwest Gas customer in November 2008. During that time I have been late with my payment several times. Let me explain why. They send out a bill from Las Vegas to Litchfield Park Arizona 10 days before it is due back to Las Vegas. If you are one day late it is considered delinquent. I think it is completely unreasonable for Southwest Gas to mail a bill (for instance this month) on the 18th and it is due back on the 28th. I live in a suburb of Phoenix and they do not deliver the mail every day. I got the bill on the 23rd and with... read full review »