Area Code +52-637-(3736000...3736127) located in Atil, 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 : 3736000 Subscriber Number To : 3736127 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 : Atil Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 30.8400 Longitude : -111.5800 ‹ previous : +52-637-(3735184...3735383) next › : +52-637-(3736128...3736327) Dialling Instructions For trunk calls: 1 637 3736000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 637 3736000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 3736000 ~ 3736127 (Count: 128) Example: +52-637-3736000 / 0052-637-3736000 (01637-3736000 / 01-637-3736000) +52-637-3736001 / 0052-637-3736001 (01637-3736001 / 01-637-3736001) +52-637-3736002 / 0052-637-3736002 (01637-3736002 / 01-637-3736002) +52-637-3736003 / 0052-637-3736003 (01637-3736003 / 01-637-3736003) +52-637-3736004 / 0052-637-3736004 (01637-3736004 / 01-637-3736004) ...+52-637-xxxxxxx / 0052-637-xxxxxxx (01637-xxxxxxx / 01-637-xxxxxxx) ...+52-637-3736123 / 0052-637-3736123 (01637-3736123 / 01-637-3736123) +52-637-3736124 / 0052-637-3736124 (01637-3736124 / 01-637-3736124) +52-637-3736125 / 0052-637-3736125 (01637-3736125 / 01-637-3736125) +52-637-3736126 / 0052-637-3736126 (01637-3736126 / 01-637-3736126) +52-637-3736127 / 0052-637-3736127 (01637-3736127 / 01-637-3736127)