| General Information | |
|---|---|
| Country | United States |
| State/Province | Colorado |
| Major City | Denver |
| Time Zone | Mountain (UTC-07:00) |
| Current Local Time | 02:36 |
| Prefix | County | Primary City |
|---|---|---|
| 303-200 | Denver | Denver |
| 303-201 | Denver | Denver |
| 303-202 | Jefferson | Denver |
| 303-203 | Denver | Denver |
| 303-204 | Denver | Denver |
| 303-205 | Jefferson | Denver |
| 303-206 | Denver | Denver |
| 303-207 | Denver | Denver |
| 303-208 | Denver | Denver |
| 303-209 | Denver | Denver |
| 303-210 | Denver | Denver |
| 303-212 | Denver | Denver |
| 303-213 | Denver | Denver |
| 303-214 | Jefferson | Arvada |
| 303-215 | Jefferson | Golden |
| 303-216 | Jefferson | Golden |
| 303-217 | Denver | Denver |
| 303-218 | Denver | Denver |
| 303-219 | Adams | Brighton |
| 303-220 | Denver | Denver |
| 303-221 | Denver | Denver |
| 303-222 | Denver | Denver |
| 303-223 | Denver | Denver |
| 303-224 | Denver | Denver |
| 303-225 | Denver | Denver |
| 303-226 | Denver | Denver |
| 303-227 | Denver | Denver |
| 303-228 | Denver | Denver |
| 303-229 | Denver | Denver |
| 303-230 | Denver | Denver |
| 303-231 | Jefferson | Denver |
| 303-232 | Jefferson | Denver |
| 303-233 | Jefferson | Denver |
| 303-234 | Jefferson | Denver |
| 303-235 | Jefferson | Denver |
| 303-236 | Jefferson | Denver |
| 303-237 | Jefferson | Denver |
| 303-238 | Jefferson | Denver |
| 303-239 | Jefferson | Denver |
| 303-240 | Denver | Denver |
| 303-241 | Denver | Denver |
| 303-242 | Denver | Denver |
| 303-243 | Denver | Denver |
| 303-244 | Denver | Denver |
| 303-245 | Denver | Denver |
| 303-246 | Arapahoe | Aurora |
| 303-247 | Denver | Denver |
| 303-248 | Denver | Denver |
| 303-249 | Denver | Denver |
| 303-250 | Denver | Denver |