| City | Area code | Phone number length | Type of connection |
| Zambrano | 5 | ******* | Phone |
| Zambrano | 54853 | *** | Phone |
| Zambrano | 54854 | *** | Phone |
| Zapatoca | 7 | ******* | Phone |
| Zapatoca | 76252 | *** | Phone |
| Zapatoca | 76253 | *** | Phone |
| Zapatoca | 76254 | *** | Phone |
| Zaragoza | 4 | ******* | Phone |
| Zaragoza | 48387 | *** | Phone |
| Zaragoza | 48388 | *** | Phone |
| Zaragoza | 48389 | *** | Phone |
| Zaragoza | 48390 | *** | Phone |
| Zaragoza | 492999 | ** | Phone |
| Zaragoza | 493000 | ** | Phone |
| Zarzal | 2 | ******* | Phone |
| Zarzal | 22032 | *** | Phone |
| Zarzal | 22033 | *** | Phone |
| Zarzal | 22034 | *** | Phone |
| Zarzal | 22035 | *** | Phone |
| Zarzal | 22036 | *** | Phone |
| Zarzal | 22037 | *** | Phone |
| Zarzal | 22206 | *** | Phone |
| Zarzal | 22207 | *** | Phone |
| Zarzal | 22208 | *** | Phone |
| Zarzal | 22208 | *** | Phone |
| Zarzal | 22209 | *** | Phone |
| Zarzal | 22210 | *** | Phone |
| Zarzal | 22217 | *** | Phone |
| Zarzal | 22219 | *** | Phone |
| Zarzal | 22220 | *** | Phone |
| Zarzal | 22221 | *** | Phone |
| Zarzal | 22222 | *** | Phone |
| Zarzal | 22223 | *** | Phone |
| Zarzal | 293169 | ** | Phone |
| Zarzal | 293170 | ** | Phone |
| Zetaquira | 8 | ******* | Phone |
| Zetaquira | 873440 | ** | Phone |
| Zetaquira | 873441 | ** | Phone |
| Zetaquira | 873442 | ** | Phone |
| Zetaquira | 873443 | ** | Phone |
| Zipacon | 1 | ******* | Phone |
| Zipacon | 18249 | *** | Phone |
| Zipacon | 18250 | *** | Phone |
| Zipaquira | 1 | ******* | Phone |
| Zipaquira | 1851 | **** | Phone |
| Zipaquira | 1852 | **** | Phone |
| Zipaquira | 1853 | **** | Phone |
| Zipaquira | 1881 | **** | Phone |
| Zipaquira | 1882 | **** | Phone |
| Zuluaga | 8 | ******* | Phone |
| Zuluaga | 883424 | ** | Phone |
| Zuluaga | 883425 | ** | Phone |
| Zuluaga | 883426 | ** | Phone |
| Zuluaga | 883427 | ** | Phone |
| Zuluaga | 883428 | ** | Phone |
| Zuluaga | 883429 | ** | Phone |
| Zuluaga | 883430 | ** | Phone |
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