Founded in 1917, Lea County is one of 33 counties in the state of New Mexico. Historically, Lea County was formed from parts of Chaves County and Eddy County. The city of Lovington is the county seat. With FIPS code of 25, Lea County has a population of 73,004 and area of 4,393 square miles (11,378 km2).
List of all cities in Lea County, NM alphabetically
| City/Town | Postal Code | Area Code |
| Bennett, NM | 88252 | 575 |
| Buckeye, NM | 88260 | 575 |
| Caprock, NM | 88213 | 575 |
| Crossroads, NM | 88114 | 575 |
| Eunice, NM | 88231 | 575 |
| Hobbs, NM | 88240 | 575 |
| 88241 | 575 | |
| 88242 | 575 | |
| 88244 | 575 | |
| Jal, NM | 88252 | 575 |
| Lea County Correctional Fac, NM | 88244 | 575 |
| Lovington, NM | 88260 | 575 |
| Maljamar, NM | 88264 | 575 |
| McDonald, NM | 88262 | 575 |
| Monument, NM | 88265 | 575 |
| Oil Center, NM | 88240 | 575 |
| Tatum, NM | 88213 | 575 |
| 88267 | 575 |