Area Code +52-637-(3700000...3700899) located in Altar, Sonora (SON), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 Cell Prefix : 1 National Destination Code : 637 Subscriber Number From : 3700000 Subscriber Number To : 3700899 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : RADIOMOVIL DIPSA, 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 : SON Region Name : Sonora City : Altar Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 30.7100 Longitude : -111.8400 ‹ previous : +52-637-(3560000...3569999) next › : +52-637-(3700900...3700999) Dialling Instructions For trunk calls: 1 637 3700000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 637 3700000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3700000 ~ 3700899 (Count: 900) Example: +52-637-3700000 / 0052-637-3700000 (01637-3700000 / 01-637-3700000) +52-637-3700001 / 0052-637-3700001 (01637-3700001 / 01-637-3700001) +52-637-3700002 / 0052-637-3700002 (01637-3700002 / 01-637-3700002) +52-637-3700003 / 0052-637-3700003 (01637-3700003 / 01-637-3700003) +52-637-3700004 / 0052-637-3700004 (01637-3700004 / 01-637-3700004) ...+52-637-xxxxxxx / 0052-637-xxxxxxx (01637-xxxxxxx / 01-637-xxxxxxx) ...+52-637-3700895 / 0052-637-3700895 (01637-3700895 / 01-637-3700895) +52-637-3700896 / 0052-637-3700896 (01637-3700896 / 01-637-3700896) +52-637-3700897 / 0052-637-3700897 (01637-3700897 / 01-637-3700897) +52-637-3700898 / 0052-637-3700898 (01637-3700898 / 01-637-3700898) +52-637-3700899 / 0052-637-3700899 (01637-3700899 / 01-637-3700899)
