Below is a list of cities using Opeka and in which month there is most answers from that municipality each year.
| Municipality | Answer time | Respondents |
|---|---|---|
| 2018 | ||
| Nurmijärvi | 10/2018 | 20 pcs |
| Espoo | 09/2018 | 4 pcs |
| Hyvinkää | 09/2018 | 5 pcs |
| Joensuu | 08/2018 | 18 pcs |
| Lohja | 06/2018 | 14 pcs |
| Tuusula | 04/2018 | 7 pcs |
| Hämeenlinna | 04/2018 | 21 pcs |
| Parainen | 03/2018 | 10 pcs |
| Somero | 03/2018 | 4 pcs |
| Heinävesi | 03/2018 | 2 pcs |
| Pielavesi | 03/2018 | 2 pcs |
| Saarijärvi | 03/2018 | 4 pcs |
| Lahti | 03/2018 | 2 pcs |
| Porvoo | 03/2018 | 2 pcs |
| Rovaniemi | 03/2018 | 2 pcs |
| Inari | 03/2018 | 2 pcs |
| Vesanto | 03/2018 | 2 pcs |
| Pedersöre | 03/2018 | 4 pcs |
| Pudasjärvi | 03/2018 | 3 pcs |
| Lapinjärvi | 03/2018 | 2 pcs |
| Kirkkonummi | 03/2018 | 14 pcs |
| Muhos | 03/2018 | 2 pcs |
| Lieto | 03/2018 | 2 pcs |
| Uusikaupunki | 03/2018 | 2 pcs |
| Mäntsälä | 03/2018 | 2 pcs |
| Närpiö | 03/2018 | 4 pcs |
| Mänttä-Vilppula | 03/2018 | 5 pcs |
| Pieksämäki | 03/2018 | 3 pcs |
| Helsinki | 03/2018 | 96 pcs |
| Lapua | 03/2018 | 3 pcs |
| Rantasalmi | 03/2018 | 2 pcs |
| Oulainen | 03/2018 | 4 pcs |
| Kerava | 03/2018 | 11 pcs |
| Hanko | 03/2018 | 2 pcs |
| Kemiönsaari | 03/2018 | 8 pcs |
| Pirkkala | 03/2018 | 6 pcs |
| Pornainen | 03/2018 | 2 pcs |
| Utajärvi | 03/2018 | 2 pcs |
| Kontiolahti | 03/2018 | 10 pcs |
| Kokkola | 03/2018 | 14 pcs |
| Vihti | 03/2018 | 5 pcs |
| Laihia | 03/2018 | 3 pcs |
| Kemi | 03/2018 | 2 pcs |
| Huittinen | 03/2018 | 5 pcs |
| Ylivieska | 03/2018 | 4 pcs |
| Sotkamo | 03/2018 | 2 pcs |
| Haapajärvi | 03/2018 | 4 pcs |
| Punkalaidun | 02/2018 | 2 pcs |
| Alajärvi | 02/2018 | 4 pcs |
| Forssa | 02/2018 | 6 pcs |
| Konnevesi | 02/2018 | 2 pcs |
| Turku | 02/2018 | 3 pcs |
| Salo | 02/2018 | 19 pcs |
| Kokemäki | 02/2018 | 2 pcs |
| Suonenjoki | 02/2018 | 4 pcs |
| Riihimäki | 02/2018 | 9 pcs |
| Valkeakoski | 02/2018 | 7 pcs |
| Kajaani | 02/2018 | 12 pcs |
| Kiuruvesi | 02/2018 | 2 pcs |
| Hämeenkyrö | 02/2018 | 3 pcs |
| Tampere | 02/2018 | 18 pcs |
| Luoto | 02/2018 | 2 pcs |
| 2017 | ||
| Raasepori | 11/2017 | 10 pcs |
| Oulu | 11/2017 | 11 pcs |
| Espoo | 10/2017 | 83 pcs |
| Vantaa | 09/2017 | 47 pcs |
| Pornainen | 04/2017 | 2 pcs |
| Järvenpää | 04/2017 | 8 pcs |
| Kuopio | 04/2017 | 9 pcs |
| Kirkkonummi | 04/2017 | 11 pcs |
| Lempäälä | 04/2017 | 12 pcs |
| Tuusula | 03/2017 | 6 pcs |
| Konnevesi | 03/2017 | 4 pcs |
| Loimaa | 03/2017 | 4 pcs |
| Pielavesi | 03/2017 | 4 pcs |
| Turku | 03/2017 | 15 pcs |
| Kokkola | 03/2017 | 11 pcs |
| Lapinlahti | 03/2017 | 3 pcs |
| Jyväskylä | 03/2017 | 6 pcs |
| Lappajärvi | 03/2017 | 2 pcs |
| Riihimäki | 03/2017 | 3 pcs |
| Orivesi | 03/2017 | 4 pcs |
| Hyvinkää | 03/2017 | 10 pcs |
| Ylöjärvi | 03/2017 | 11 pcs |
| Ikaalinen | 03/2017 | 2 pcs |
| Urjala | 03/2017 | 2 pcs |
| Hämeenkyrö | 03/2017 | 3 pcs |
| Kangasala | 03/2017 | 10 pcs |
| Uusikaupunki | 03/2017 | 4 pcs |
| Mikkeli | 03/2017 | 6 pcs |
| Kiuruvesi | 03/2017 | 4 pcs |
| Helsinki | 03/2017 | 55 pcs |
| Vesilahti | 03/2017 | 3 pcs |
| Lemi | 03/2017 | 2 pcs |
| Haapajärvi | 03/2017 | 4 pcs |
| Asikkala | 03/2017 | 4 pcs |
| Luoto | 03/2017 | 5 pcs |
| Rovaniemi | 03/2017 | 10 pcs |
| Taivalkoski | 03/2017 | 3 pcs |
| Pori | 03/2017 | 26 pcs |
| Inari | 03/2017 | 3 pcs |
| Janakkala | 03/2017 | 6 pcs |
| Laitila | 03/2017 | 9 pcs |
| Varkaus | 03/2017 | 6 pcs |
| Hanko | 02/2017 | 2 pcs |
| Ranua | 02/2017 | 3 pcs |
| Laihia | 02/2017 | 3 pcs |
| Kemi | 02/2017 | 4 pcs |
| Nurmijärvi | 02/2017 | 21 pcs |
| Naantali | 02/2017 | 8 pcs |
| Posio | 02/2017 | 2 pcs |
| Jämsä | 02/2017 | 2 pcs |
| Kaarina | 02/2017 | 3 pcs |
| Hamina | 02/2017 | 10 pcs |
| Somero | 02/2017 | 3 pcs |
| Pirkkala | 02/2017 | 7 pcs |
| Tervola | 02/2017 | 2 pcs |
| Hämeenlinna | 02/2017 | 15 pcs |
| Suonenjoki | 02/2017 | 4 pcs |
| Tampere | 02/2017 | 30 pcs |
| Ähtäri | 02/2017 | 2 pcs |
| Mynämäki | 02/2017 | 6 pcs |
| Kontiolahti | 02/2017 | 12 pcs |
| Mäntsälä | 02/2017 | 9 pcs |
| Valkeakoski | 02/2017 | 3 pcs |
| Vaasa | 01/2017 | 3 pcs |
| Taipalsaari | 01/2017 | 5 pcs |
| Alajärvi | 01/2017 | 2 pcs |
| Huittinen | 01/2017 | 7 pcs |
| Punkalaidun | 01/2017 | 2 pcs |
| Lappeenranta | 01/2017 | 26 pcs |