A recent study of ours on the percentage of phone numbers that are used for contact info on Craigslist that belong to a cellphone carrier is shown below. Typically at least 85% of the phone numbers used are a cellphone number.
| City | Total phone numbers used | Total cellular used | Percentage |
| New York | 70 | 60 | 85.71% |
| Washington DC | 61 | 52 | 85.25% |
| Miami | 89 | 85 | 95.51% |
| Dallas | 70 | 60 | 85.71% |
| Phoenix | 89 | 79 | 88.76% |
| Atlanta | 81 | 76 | 93.83% |
| Los Angeles | 84 | 79 | 94.05% |
| Denver | 85 | 80 | 94.12% |
| Seattle | 71 | 7 | 9.86% |
The statistics are based on data provided by Intelius.com.
The statistics of Seattle are not consistent with the total model. Below is a further breakdown of Seattle’s phone numbers types:
| #cellular | #wireless | #land line |
| 7 | 36 | 28 |