Have you ever wondered where a certain telephone number is located ?
I have checked 738 local businesses, and found the following number of occasions being recorded per suburb.
Those marked in Red are assumed to be the main telephone area code for that suburb.
| Prefix | Suburb | Qty |
| 3206 | Redland Bay | 17 |
| 3206 | Sheldon | 9 |
| 3206 | Capalaba | 7 |
| 3206 | Thornlands | 3 |
| 3206 | Victoria Point | 3 |
| 3206 | Mount Cotton | 2 |
| 3207 | Victoria Point | 122 |
| 3207 | Wellington Point | 13 |
| 3207 | Birkdale | 7 |
| 3207 | Thorneside | 3 |
| 3245 | Capalaba | 45 |
| 3286 | Cleveland | 87 |
| 3286 | Thornlands | 6 |
| 3286 | Ormiston | 5 |
| 3287 | Cornubia | 3 |
| 3348 | Wynnum | 5 |
| 3383 | Cleveland | 2 |
| 3390 | Capalaba | 21 |
| 3393 | Wynnum | 3 |
| 3393 | Manly | 2 |
| 3396 | Wynnum | 25 |
| 3396 | Manly | 5 |
| 3401 | Victoria Point | 2 |
| 3409 | Russell Island | 3 |
| 3409 | Macleay Island | 2 |
| 3409 | Point Lookout, Stradbroke Island | 2 |
| 3488 | Cleveland | 6 |
| 3488 | Thornlands | 4 |
| 3820 | Victoria Point | 103 |
| 3820 | Alexandra Hills | 3 |
| 3820 | Thornlands | 2 |
| 3821 | Cleveland | 54 |
| 3821 | Thornlands | 6 |
| 3821 | Ormiston | 3 |
| 3822 | Birkdale | 16 |
| 3822 | Wellington Point | 13 |
| 3822 | Thorneside | 5 |
| 3823 | Capalaba | 18 |
| 3824 | Alexandra Hills | 27 |
| 3824 | Capalaba | 2 |
| 3829 | Redland Bay | 21 |
| 3829 | Victoria Point | 4 |
| 3829 | Mount Cotton | 2 |
| 3893 | Wynnum | 6 |
There were another 39 numbers, but only recorded once per suburb, so I have left these out in case they were VOIP numbers.