Area Code +57-4-(2121000...2121999) located in MEDELLIN, ANTIOQUIA (ANT), more detail is as below. Place International Dialing Code : 57 International Prefix : 009/007/005 National Prefix : 09/07/05 National Destination Code : 4 Subscriber Number From : 2121000 Subscriber Number To : 2121999 National Destination Code Length : 1 Uses National Destination Code : Yes National Significant Number Length : 8 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : UNE EPM TELECOMUNICACIONES S.A. E.S.P. - UNE EPM TELCO S.A. Click here to buy Colombia Area Code Database Other Information Language Code : es (Spanish) Country Number : 170 (Colombia) Country Code : CO (Colombia) Region Code : ANT Region Name : ANTIOQUIA City : MEDELLIN Timezone : America/Bogota Coordinated Universal Time : -05:00 Daylight Saving Time : No National Significant Number Minimum Length : 8 Latitude : 6.2400 Longitude : -75.5800 ‹ previous : +57-4-(2120000...2120999) next › : +57-4-(2122000...2122999) Dialling Instructions For trunk calls: 0 4 2121000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 009/007/005 57 4 2121000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 2121000 ~ 2121999 (Count: 1,000) Example: +57-4-2121000 / 009/007/00557-4-2121000 (09/07/054-2121000 / 09/07/05-4-2121000) +57-4-2121001 / 009/007/00557-4-2121001 (09/07/054-2121001 / 09/07/05-4-2121001) +57-4-2121002 / 009/007/00557-4-2121002 (09/07/054-2121002 / 09/07/05-4-2121002) +57-4-2121003 / 009/007/00557-4-2121003 (09/07/054-2121003 / 09/07/05-4-2121003) +57-4-2121004 / 009/007/00557-4-2121004 (09/07/054-2121004 / 09/07/05-4-2121004) ...+57-4-xxxxxxx / 009/007/00557-4-xxxxxxx (09/07/054-xxxxxxx / 09/07/05-4-xxxxxxx) ...+57-4-2121995 / 009/007/00557-4-2121995 (09/07/054-2121995 / 09/07/05-4-2121995) +57-4-2121996 / 009/007/00557-4-2121996 (09/07/054-2121996 / 09/07/05-4-2121996) +57-4-2121997 / 009/007/00557-4-2121997 (09/07/054-2121997 / 09/07/05-4-2121997) +57-4-2121998 / 009/007/00557-4-2121998 (09/07/054-2121998 / 09/07/05-4-2121998) +57-4-2121999 / 009/007/00557-4-2121999 (09/07/054-2121999 / 09/07/05-4-2121999)