One of my shops displays an error about an incorrect ZIP code on checkout via Authorize.net. The error is intermittent. Sometimes I can generate it, other times checkout proceeds normally. Users have been reporting the issue, and can't complete their orders when the error surfaces. I tested using ZIP/PC codes from locations all around the world. I received the error on US ZIPs specifically. The intermittent nature of the problem makes this difficult to track down. Has anyone else experienced this?




