Last week I renewed my Non-O yearly retirement extension at Phetchaburi immigration in Cha Am. Service was, as always excellent, and the process was completed without issue in less than an hour. However, a few days later I received a call, supposedly from Phetchaburi immigration, asking if I was at home in Cha Am. I had just left Cha Am to visit friends in Chonburi and will then continue on a trip to Chiang Mai with family, so was not at home when the I/O called. I explained that I have no firm date when I will be back home so after a brief conversation the I/O said "mai pen rai" and the call ended. I can only assume immigration wanted to visit my house, but this seems unusual for a retirement extension. especially as there were no questions asked when I did the renewal. I'm now not sure whether this was a genuine call (it was from a mobile not the immigration office number) or a scam and whether i should expect another call sometime later. Has anybody experienced anything similar for a retirement extension particularly wrt to Phetchaburi immigration?