Area Code +52-55-(10200000...10209999) located in Cuauhtémoc, Distrito Federal (DIF), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 Cell Prefix : 1 National Destination Code : 55 Subscriber Number From : 10200000 Subscriber Number To : 10209999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : OPERADORA UNEFON, S.A. DE C.V. Click here to buy Mexico Area Code Database Other Information Language Code : es (Spanish) Country Number : 484 (Mexico) Country Code : MX (Mexico) Region Code : DIF Region Name : Distrito Federal City : Cuauhtémoc Timezone : America/Mexico_City Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 19.4400 Longitude : -99.1400 ‹ previous : +52-55-(10190000...10199999) next › : +52-55-(10210000...10219999) Dialling Instructions For trunk calls: 1 55 10200000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 55 10200000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 10200000 ~ 10209999 (Count: 10,000) Example: +52-55-10200000 / 0052-55-10200000 (0155-10200000 / 01-55-10200000) +52-55-10200001 / 0052-55-10200001 (0155-10200001 / 01-55-10200001) +52-55-10200002 / 0052-55-10200002 (0155-10200002 / 01-55-10200002) +52-55-10200003 / 0052-55-10200003 (0155-10200003 / 01-55-10200003) +52-55-10200004 / 0052-55-10200004 (0155-10200004 / 01-55-10200004) ...+52-55-xxxxxxxx / 0052-55-xxxxxxxx (0155-xxxxxxxx / 01-55-xxxxxxxx) ...+52-55-10209995 / 0052-55-10209995 (0155-10209995 / 01-55-10209995) +52-55-10209996 / 0052-55-10209996 (0155-10209996 / 01-55-10209996) +52-55-10209997 / 0052-55-10209997 (0155-10209997 / 01-55-10209997) +52-55-10209998 / 0052-55-10209998 (0155-10209998 / 01-55-10209998) +52-55-10209999 / 0052-55-10209999 (0155-10209999 / 01-55-10209999)