The holdings of the Barony of Dragonsspine encompass the following zip codes:
| 80132 | 80902 | 80929 |
| 80133 | 80903 | 80930 |
| 80802 | 80904 | 80931 |
| 80808 | 80905 | 80932 |
| 80809 | 80906 | 80933 |
| 80810 | 80907 | 80934 |
| 80813 | 80908 | 80935 |
| 80814 | 80909 | 80936 |
| 80816 | 80910 | 80937 |
| 80817 | 80911 | 80940 |
| 80819 | 80912 | 80941 |
| 80821 | 80913 | 80942 |
| 80823 | 80914 | 80943 |
| 80825 | 80915 | 80944 |
| 80825 | 80916 | 80945 |
| 80829 | 80917 | 80946 |
| 80831 | 80818 | 80947 |
| 80833 | 80919 | 80949 |
| 80840 | 80920 | 80950 |
| 80841 | 80921 | 80960 |
| 80860 | 80922 | 80962 |
| 80863 | 80923 | 80970 |
| 80864 | 80925 | 80977 |
| 80866 | 80926 | 80995 |
| 80901 | 80928 | 80997 |