State: Colorado
County: Alamosa, Archuleta, Baca, Prowers, Las Animas, Costilla, Conejos, Rio Grande, Mineral, Hinsdale, La Plata
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR COUNTY |
POP FOR GROUP |
| 81101 | Alamosa | CO | Alamosa County | 12170 | 12,911 | 112072 |
| 81102 | Alamosa | CO | Alamosa County | 41 | ||
| 81136 | Hooper | CO | Alamosa County | 190 | ||
| 81146 | Mosca | CO | Alamosa County | 510 | ||
| 81121 | Arboles | CO | Archuleta County | 316 | 11,242 | |
| 81127 | Chimney Rock | CO | Archuleta County | 41 | ||
| 81128 | Chromo | CO | Archuleta County | 144 | ||
| 81147 | Pagosa Springs | CO | Archuleta County | 10080 | ||
| 81157 | Pagosa Springs | CO | Archuleta County | 661 | ||
| 81029 | Campo | CO | Baca County | 230 | 2873 | |
| 81064 | Pritchett | CO | Baca County | 170 | ||
| 81073 | Springfield | CO | Baca County | 1460 | ||
| 81084 | Two Buttes | CO | Baca County | 109 | ||
| 81087 | Vilas | CO | Baca County | 144 | ||
| 81090 | Walsh | CO | Baca County | 760 | ||
| 81041 | Granada | CO | Prowers County | 660 | 10,217 | |
| 81043 | Hartman | CO | Prowers County | 57 | ||
| 81047 | Holly | CO | Prowers County | 1300 | ||
| 81052 | Lamar | CO | Prowers County | 7480 | ||
| 81092 | Wiley | CO | Prowers County | 720 | ||
| 81020 | Aguilar | CO | Las Animas County | 670 | 11,060 | |
| 81024 | Boncarbo | CO | Las Animas County | 214 | ||
| 81027 | Branson | CO | Las Animas County | 128 | ||
| 81046 | Hoehne | CO | Las Animas County | 108 | ||
| 81049 | Kim | CO | Las Animas County | 200 | ||
| 81059 | Model | CO | Las Animas County | 164 | ||
| 81081 | Trinchera | CO | Las Animas County | 86 | ||
| 81082 | Trinidad | CO | Las Animas County | 8910 | ||
| 81091 | Weston | CO | Las Animas County | 580 | ||
| 81123 | Blanca | CO | Costilla County | 590 | 2768 | |
| 81126 | Chama | CO | Costilla County | 120 | ||
| 81133 | Fort Garland | CO | Costilla County | 890 | ||
| 81134 | San Luis | CO | Costilla County | 70 | ||
| 81138 | Jaroso | CO | Costilla County | 47 | ||
| 81152 | San Luis | CO | Costilla County | 850 | ||
| 81153 | San Pablo | CO | Costilla County | 201 | ||
| 81120 | Antonito | CO | Conejos County | 1630 | 6789 | |
| 81124 | Capulin | CO | Conejos County | 271 | ||
| 81129 | Conejos | CO | Conejos County | 126 | ||
| 81140 | La Jara | CO | Conejos County | 1960 | ||
| 81141 | Manassa | CO | Conejos County | 1152 | ||
| 81148 | Romeo | CO | Conejos County | 370 | ||
| 81151 | Sanford | CO | Conejos County | 1280 | ||
| 81132 | Del Norte | CO | Rio Grande County | 2440 | 9683 | |
| 81135 | Homelake | CO | Rio Grande County | 43 | ||
| 81144 | Monte Vista | CO | Rio Grande County | 6280 | ||
| 81154 | South Fork | CO | Rio Grande County | 920 | ||
| 81130 | Creede | CO | Mineral County | 690 | 690 | |
| 81235 | Lake City | CO | Hinsdale County | 640 | 640 | |
| 81122 | Bayfield | CO | La Plata County | 8000 | 43,199 | |
| 81301 | Durango | CO | La Plata County | 23420 | ||
| 81302 | Durango | CO | La Plata County | 2877 | ||
| 81303 | Durango | CO | La Plata County | 6750 | ||
| 81326 | Hesperus | CO | La Plata County | 2020 | ||
| 81329 | Marvel | CO | La Plata County | 132 | ||