Where was Psycho (1998) filmed?

Filming locations

• Towns & cities Los Angeles United States Seat of Los Angeles County, and largest city in California, United States

  “Filming of Psycho took place largely on the Universal Studios Hollywood backlot in Los Angeles, with additional exterior filming taking place in Phoenix, including at the Hotel Westward Ho from July 6, 1998, to August 26, 1998.” Wikipedia

Also per Wikipedia's Filming section

Wikipedia’s Filming section names 3 more places. Each links to the sentence that says so.

Recorded only at country level

Also filmed in Arizona, California, but the exact places are not known, so they are not on the map.

Also shot in these places

Set in the same places