|   rowid | legislator_id   | type   | state   | start      | end        | class   | party      |   district | how   | party_affiliations   | url                    | caucus   | address                                                        | phone        | fax          | contact_form   | office                               | state_rank   | rss_url   | end-type   |
|--------:|:----------------|:-------|:--------|:-----------|:-----------|:--------|:-----------|-----------:|:------|:---------------------|:-----------------------|:---------|:---------------------------------------------------------------|:-------------|:-------------|:---------------|:-------------------------------------|:-------------|:----------|:-----------|
|   43968 | Ken Buck        | rep    | CO      | 2015-01-06 | 2017-01-03 |         | Republican |          4 |       |                      | https://buck.house.gov |          | 416 Cannon HOB; Washington DC 20515-0604                       | 202-225-4676 | 202-225-5870 |                | 416 Cannon House Office Building     |              |           |            |
|   43969 | Ken Buck        | rep    | CO      | 2017-01-03 | 2019-01-03 |         | Republican |          4 |       |                      | https://buck.house.gov |          | 1130 Longworth House Office Building; Washington DC 20515-0604 | 202-225-4676 | 202-225-5870 |                | 1130 Longworth House Office Building |              |           |            |
|   43970 | Ken Buck        | rep    | CO      | 2019-01-03 | 2021-01-03 |         | Republican |          4 |       |                      | https://buck.house.gov |          | 2455 Rayburn House Office Building Washington DC 20515-0604    | 202-225-4676 |              |                | 2455 Rayburn House Office Building   |              |           |            |
|   43971 | Ken Buck        | rep    | CO      | 2021-01-03 | 2023-01-03 |         | Republican |          4 |       |                      | https://buck.house.gov |          | 2455 Rayburn House Office Building Washington DC 20515-0604    | 202-225-4676 |              |                | 2455 Rayburn House Office Building   |              |           |            |