Significant events for area code 505
| Date |
Details |
| 1947 | The original area code for New Mexico |
| October 7, 2007 | Area code 505 was split with 575 covering all but the northwestern area of New Mexico |
Significant events for area code 505
| Date |
Details |
| 1947 | The original area code for New Mexico |
| October 7, 2007 | Area code 505 was split with 575 covering all but the northwestern area of New Mexico |