If you have any BAS questions, please contact a geographer at your Regional Census Center. If you are unsure as to which Regional Census Center to contact, see the American Indian Areas and Codes table [Excel] [Text] which cross-references each American Indian Area with its appropriate Regional Census Center. Each of the Regional Census Center's phone numbers are listed below.
| REGIONAL OFFICE | PHONE NUMBER |
|---|---|
| Atlanta | 404-332-2711 |
| Boston | 617-223-3600 |
| Charlotte | 704-936-4200 |
| Chicago | 312-454-2705 |
| Dallas | 214-267-6920 |
| Denver | 720-475-3600 |
| Detroit | 313-396-5002 |
| Kansas City | 816-994-2020 |
| Los Angeles | 818-717-6701 |
| Seattle | 425-908-3010 |
If you are interested in submitting a digital file as your BAS response, please call 301-763-1099 or email geo.aiana@census.gov.
