HIA Commemorative Coins are the main collectible in Zenless Zone Zero, and these coins will net you bonus rewards and Mewmew Medals if you find enough of them. They’re not easy to find, though, and sometimes the NPCs you get them from don’t always appear when you need them to.

However, once you know where to look, collecting every HIA Commemorative Coin in a ZZZ district is a breeze. Whether you’re an achievement hunter or you’re trying to max out your Mewmew Medals, this guide will show you where to find every single HIA Commemorative Coin in Zenless Zone Zero.

Table of Contents

• Sixth Street HIA Commemorative Coin Locations
• Brant Street Construction Site HIA Commemorative Coin Locations
• Ballet Twins Road HIA Commemorative Coin Locations
• Lumina Square HIA Commemorative Coin Locations

Sixth Street HIA Commemorative Coin Locations

There are 18 HIA Commemorative Coins to collect on Sixth Street in Zenless Zone Zero.

1. Speak to Ellis sitting at the Noodle Shop during the afternoon.
2. Speak to Sjal near the Noodle Shop in the afternoon.
3. Interact with the Fragrant Plant along the Coffee Shop window in the afternoon.
4. Speak to Mrs. Yani across the street from the Video Store during the morning. Then, go speak to the Bangboo outside of the Convenience Store and return to her.
5. Speak to Luo outside of the Video Store in the morning and then go up the stairs to the roof and look inside the Empty Crate.
6. Speak to Travis near the Video Store entrance in the afternoon.
7. Speak to Lupita across the street from the Convenience Store in the afternoon.
8. Speak to Pavol Chuck outside the Convenience Store during the afternoon, interact with the Sage in the Barrel, and then speak to Pavol Chuck again.
9. Speak to Clara across the street from the Video Store in the afternoon and take her picture.
10. Investigate the Packing Crate outside of Bardic Needle across the street from the Video Store during the afternoon.
11. Speak to Mr. Panda sitting alone at a table outside the Coffee Shop in the afternoon.
12. Open the locker in the Video Store staff room in the evening.
13. Speak to Jonah at the Arcade entrance in the evening.
14. Speak to Hannah in front of the Convenience Store in the evening. Then, interact with the Automatic Vending Machine nearby, select “Press the button for refunds,” and return to Hannah.
15. Speak to Roy in front of the Convenience Store in the evening and pay 300 Dennies.
16. Investigate the Dumpster next to Officer Mewmew behind the newsstand across from the Video Store.
17. Speak to Gerant at the roadblock near the Video Store at midnight. Then, speak to Sita at the newsstand and return to Gerant.
18. Investigate the Skateboard Bench at the entrance to the Gadget Store at midnight.

Some of these NPCs won’t appear at certain times of day, or they won’t spawn if other NPCs are already in the area. If you can’t find a certain person, just enter and exit the Video Store after obtaining a coin to reset the spawns. Some coins seemingly won’t appear until you’ve collected a certain number of other coins, too

Brant Street Construction Site HIA Commemorative Coin Locations

There are 10 HIA Commemorative Coins to collect at the Brant Street Construction Site in Zenless Zone Zero.

1. Speak to Kaeda near the Maintenance Area in the morning. Talk to Cole nearby and then return to Kaeda.
2. Speak to Becky near the Storage Area in the morning.
3. Speak to Luka near the Storage area in the morning and pay 50 Dennies.
4. Speak to Ronnie near the Maintenance Area in the morning and take a picture of Kousaka.
5. Speak to Ironhead at the Storage Area in the afternoon.
6. Speak to Gray near the Storage Area in the afternoon.
7. Speak to Kaidou near the Storage Area in the afternoon after completing the mission “Hands and the Art of Cement Mixer Maintenance.”
8. Speak to Li at the Storage Area in the evening. Interact with the Cement Bag nearby and then return to Li.
9. Speak to Yang at the Storage Area in the evening, then interact with the Sulking Builderboo in the nearby pipes.
10. Speak to Jen in the Maintenance Area during the evening, then speak to Kaishu.

Some of these NPCs have quest requirements before they’ll start to show up, so try working through the Brant Street Construction Side side quests if you’re having trouble finding someone. “Hands and the Art of Cement Mixer Maintenance” seems to be the one that blocks progress for most players.

Ballet Twins Road HIA Commemorative Coin Locations

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Lumina Square HIA Commemorative Coin Locations

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That’s all you need to know about HIA Commemorative Coins in Zenless Zone Zero! Make sure to talk to any NPCs with speech bubbles that you encounter while exploring so you don’t miss any of them. Keep an eye out for any suspicious objects, too! These coins are a great way to get useful resources and currencies that will help you level up your squad.