Area Code +52-81-(20540000...20549999) located in Monterrey, Nuevo León (NLE), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 Cell Prefix : 1 National Destination Code : 81 Subscriber Number From : 20540000 Subscriber Number To : 20549999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : IUSACELL PCS, 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 : NLE Region Name : Nuevo León City : Monterrey Timezone : America/Monterrey Coordinated Universal Time : -06:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 10 Latitude : 25.6700 Longitude : -100.3100 ‹ previous : +52-81-(20530000...20539999) next › : +52-81-(20550000...20559999) Dialling Instructions For trunk calls: 1 81 20540000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 81 20540000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 20540000 ~ 20549999 (Count: 10,000) Example: +52-81-20540000 / 0052-81-20540000 (0181-20540000 / 01-81-20540000) +52-81-20540001 / 0052-81-20540001 (0181-20540001 / 01-81-20540001) +52-81-20540002 / 0052-81-20540002 (0181-20540002 / 01-81-20540002) +52-81-20540003 / 0052-81-20540003 (0181-20540003 / 01-81-20540003) +52-81-20540004 / 0052-81-20540004 (0181-20540004 / 01-81-20540004) ...+52-81-xxxxxxxx / 0052-81-xxxxxxxx (0181-xxxxxxxx / 01-81-xxxxxxxx) ...+52-81-20549995 / 0052-81-20549995 (0181-20549995 / 01-81-20549995) +52-81-20549996 / 0052-81-20549996 (0181-20549996 / 01-81-20549996) +52-81-20549997 / 0052-81-20549997 (0181-20549997 / 01-81-20549997) +52-81-20549998 / 0052-81-20549998 (0181-20549998 / 01-81-20549998) +52-81-20549999 / 0052-81-20549999 (0181-20549999 / 01-81-20549999)
