| ZIP | County | State | Area Code | Time Zone |
| 81001 | Pueblo | CO | 719 | MST |
| 81002 | Pueblo | CO | 719 | MST |
| 81003 | Pueblo | CO | 719 | MST |
| 81004 | Pueblo | CO | 719 | MST |
| 81005 | Pueblo | CO | 719 | MST |
| 81006 | Pueblo | CO | 719 | MST |
| 81007 | Pueblo | CO | 719 | MST |
| 81008 | Pueblo | CO | 719 | MST |
| 81009 | Pueblo | CO | 719 | MST |
| 81010 | Pueblo | CO | 719 | MST |
| 81011 | Pueblo | CO | 719 | MST |
| 81012 | Pueblo | CO | 719 | MST |