State: Colorado
County: Boulder
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80301 | Boulder | CO | Boulder County | 23080 | 100,796 |
| 80302 | Boulder | CO | Boulder County | 15670 | |
| 80303 | Boulder | CO | Boulder County | 18470 | |
| 80304 | Boulder | CO | Boulder County | 25190 | |
| 80305 | Boulder | CO | Boulder County | 14980 | |
| 80306 | Boulder | CO | Boulder County | 1775 | |
| 80307 | Boulder | CO | Boulder County | 310 | |
| 80308 | Boulder | CO | Boulder County | 1170 | |
| 80309 | Boulder | CO | Boulder County | 47 | |
| 80310 | Boulder | CO | Boulder County | 104 | |
| 80314 | Boulder | CO | Boulder County | 0 | |
| 80321 | Boulder | CO | Boulder County | 0 | |
| 80322 | Boulder | CO | Boulder County | 0 | |
| 80323 | Boulder | CO | Boulder County | 0 | |
| 80328 | Boulder | CO | Boulder County | 0 | |
| 80329 | Boulder | CO | Boulder County | 0 |
GROUP IS OPEN
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80025 | Eldorado Springs | CO | Boulder County | 210 | 70828 |
| 80026 | Lafayette | CO | Boulder County | 28280 | |
| 80027 | Louisville | CO | Boulder County | 32270 | |
| 80028 | Louisville | CO | Boulder County | 0 | |
| 80481 | Ward | CO | Boulder County | 420 | |
| 80510 | Allenspark | CO | Boulder County | 340 | |
| 80533 | Hygiene | CO | Boulder County | 283 | |
| 80540 | Lyons | CO | Boulder County | 4520 | |
| 80544 | Niwot | CO | Boulder County | 610 | |
| 80455 | Jamestown | CO | Boulder County | 430 | |
| 80466 | Nederland | CO | Boulder County | 3250 | |
| 80471 | Pinecliffe | CO | Boulder County | 215 |
GROUP IS OPEN
| ZIP | TOWN/CITY | STATE | COUNTY | POP | POP FOR GROUP |
| 80501 | Longmont | CO | Boulder County | 38700 | 122023 |
| 80502 | Longmont | CO | Boulder County | 1663 | |
| 80503 | Longmont | CO | Boulder County | 30470 | |
| 80504 | Longmont | CO | Boulder County | 51190 |