Area Code +52-55-(65990000...65999999) located in Cuauhtémoc, Distrito Federal (DIF), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 55 Subscriber Number From : 65990000 Subscriber Number To : 65999999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : IP MATRIX, 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-(65980000...65989999) next › : +52-55-(66000000...66009999) Dialling Instructions For trunk calls: 1 55 65990000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 55 65990000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 65990000 ~ 65999999 (Count: 10,000) Example: +52-55-65990000 / 0052-55-65990000 (0155-65990000 / 01-55-65990000) +52-55-65990001 / 0052-55-65990001 (0155-65990001 / 01-55-65990001) +52-55-65990002 / 0052-55-65990002 (0155-65990002 / 01-55-65990002) +52-55-65990003 / 0052-55-65990003 (0155-65990003 / 01-55-65990003) +52-55-65990004 / 0052-55-65990004 (0155-65990004 / 01-55-65990004) ...+52-55-xxxxxxxx / 0052-55-xxxxxxxx (0155-xxxxxxxx / 01-55-xxxxxxxx) ...+52-55-65999995 / 0052-55-65999995 (0155-65999995 / 01-55-65999995) +52-55-65999996 / 0052-55-65999996 (0155-65999996 / 01-55-65999996) +52-55-65999997 / 0052-55-65999997 (0155-65999997 / 01-55-65999997) +52-55-65999998 / 0052-55-65999998 (0155-65999998 / 01-55-65999998) +52-55-65999999 / 0052-55-65999999 (0155-65999999 / 01-55-65999999)