Area Code +52-55-(10399000...10399999) located in Ecatepec de Morelos, México (MEX), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 55 Subscriber Number From : 10399000 Subscriber Number To : 10399999 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 : TELEFONOS DE MEXICO, S.A.B. 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 : MEX Region Name : México City : Ecatepec de Morelos Timezone : America/Mexico_City Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 19.6100 Longitude : -99.0600 ‹ previous : +52-55-(10398000...10398999) next › : +52-55-(10400000...10409999) Dialling Instructions For trunk calls: 1 55 10399000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 55 10399000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 10399000 ~ 10399999 (Count: 1,000) Example: +52-55-10399000 / 0052-55-10399000 (0155-10399000 / 01-55-10399000) +52-55-10399001 / 0052-55-10399001 (0155-10399001 / 01-55-10399001) +52-55-10399002 / 0052-55-10399002 (0155-10399002 / 01-55-10399002) +52-55-10399003 / 0052-55-10399003 (0155-10399003 / 01-55-10399003) +52-55-10399004 / 0052-55-10399004 (0155-10399004 / 01-55-10399004) ...+52-55-xxxxxxxx / 0052-55-xxxxxxxx (0155-xxxxxxxx / 01-55-xxxxxxxx) ...+52-55-10399995 / 0052-55-10399995 (0155-10399995 / 01-55-10399995) +52-55-10399996 / 0052-55-10399996 (0155-10399996 / 01-55-10399996) +52-55-10399997 / 0052-55-10399997 (0155-10399997 / 01-55-10399997) +52-55-10399998 / 0052-55-10399998 (0155-10399998 / 01-55-10399998) +52-55-10399999 / 0052-55-10399999 (0155-10399999 / 01-55-10399999)