Bölge listesi
- 80279 - Af Acctg & Finance Center, Denver, Denver, Colorado
- 80280 - Af Reserve Pers Center, Denver, Denver, Colorado
- 80263 - Affiliated Banks Service Co, Denver, Denver, Colorado
- 80252 - Bank Americard, Denver, Denver, Colorado
- 80273 - Blue Cross Blue Shield OF Co, Denver, Denver, Colorado
- 80261 - Colorado Dept of Revenue, Denver, Denver, Colorado
- 80243 - Colorado DMV Dept of Rev, Denver, Denver, Colorado
- 80201 - Denver, Denver, Colorado
- 80202 - Denver, Denver, Colorado
- 80203 - Denver, Denver, Colorado
- 80204 - Denver, Denver, Colorado
- 80205 - Denver, Denver, Colorado
- 80206 - Denver, Denver, Colorado
- 80207 - Denver, Denver, Colorado
- 80209 - Denver, Denver, Colorado
- 80210 - Denver, Denver, Colorado
- 80211 - Denver, Denver, Colorado
- 80212 - Denver, Denver, Colorado
- 80216 - Denver, Denver, Colorado
- 80217 - Denver, Denver, Colorado