Area Code +52-637-(3740520...3740899) located in Altar, Sonora (SON), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 637 Subscriber Number From : 3740520 Subscriber Number To : 3740899 National Destination Code Length : 3 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 : 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-(3740000...3740519) next › : +52-637-(3740900...3742299) Dialling Instructions For trunk calls: 1 637 3740520 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 637 3740520 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3740520 ~ 3740899 (Count: 380) Example: +52-637-3740520 / 0052-637-3740520 (01637-3740520 / 01-637-3740520) +52-637-3740521 / 0052-637-3740521 (01637-3740521 / 01-637-3740521) +52-637-3740522 / 0052-637-3740522 (01637-3740522 / 01-637-3740522) +52-637-3740523 / 0052-637-3740523 (01637-3740523 / 01-637-3740523) +52-637-3740524 / 0052-637-3740524 (01637-3740524 / 01-637-3740524) ...+52-637-xxxxxxx / 0052-637-xxxxxxx (01637-xxxxxxx / 01-637-xxxxxxx) ...+52-637-3740895 / 0052-637-3740895 (01637-3740895 / 01-637-3740895) +52-637-3740896 / 0052-637-3740896 (01637-3740896 / 01-637-3740896) +52-637-3740897 / 0052-637-3740897 (01637-3740897 / 01-637-3740897) +52-637-3740898 / 0052-637-3740898 (01637-3740898 / 01-637-3740898) +52-637-3740899 / 0052-637-3740899 (01637-3740899 / 01-637-3740899)
