Founded in 1903, Quay County is one of 33 counties in the state of New Mexico. Historically, Quay County was formed from part of Guadalupe County. The city of Tucumcari is the county seat. With FIPS code of 37, Quay County has a population of 8,656 and area of 2,855 square miles (7,394 km2).
List of all cities in Quay County, NM alphabetically
| City/Town | Postal Code | Area Code |
| Bard, NM | 88411 | 575 |
| Gallegos, NM | 88426 | 575 |
| Glenrio, NM | 88434 | 575 |
| House, NM | 88121 | 575 |
| Logan, NM | 88426 | 575 |
| McAlister, NM | 88427 | 575 |
| Nara Visa, NM | 88430 | 575 |
| Quay, NM | 88433 | 575 |
| San Jon, NM | 88411 | 575 |
| 88434 | 575 | |
| Tucumcari, NM | 88401 | 575 |