Area Code +52-637-(3740900...3742299) 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 : 3740900 Subscriber Number To : 3742299 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-(3740520...3740899) next › : +52-637-(3744000...3744999) Dialling Instructions For trunk calls: 1 637 3740900 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 637 3740900 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3740900 ~ 3742299 (Count: 1,400) Example: +52-637-3740900 / 0052-637-3740900 (01637-3740900 / 01-637-3740900) +52-637-3740901 / 0052-637-3740901 (01637-3740901 / 01-637-3740901) +52-637-3740902 / 0052-637-3740902 (01637-3740902 / 01-637-3740902) +52-637-3740903 / 0052-637-3740903 (01637-3740903 / 01-637-3740903) +52-637-3740904 / 0052-637-3740904 (01637-3740904 / 01-637-3740904) ...+52-637-xxxxxxx / 0052-637-xxxxxxx (01637-xxxxxxx / 01-637-xxxxxxx) ...+52-637-3742295 / 0052-637-3742295 (01637-3742295 / 01-637-3742295) +52-637-3742296 / 0052-637-3742296 (01637-3742296 / 01-637-3742296) +52-637-3742297 / 0052-637-3742297 (01637-3742297 / 01-637-3742297) +52-637-3742298 / 0052-637-3742298 (01637-3742298 / 01-637-3742298) +52-637-3742299 / 0052-637-3742299 (01637-3742299 / 01-637-3742299)
