Area Code +52-638-(1023000...1023499) located in Puerto Peñasco, Sonora (SON), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 638 Subscriber Number From : 1023000 Subscriber Number To : 1023499 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 : Puerto Peñasco Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 31.3200 Longitude : -113.5400 ‹ previous : +52-638-(1020000...1021999) next › : +52-638-(1024000...1024999) Dialling Instructions For trunk calls: 1 638 1023000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 638 1023000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1023000 ~ 1023499 (Count: 500) Example: +52-638-1023000 / 0052-638-1023000 (01638-1023000 / 01-638-1023000) +52-638-1023001 / 0052-638-1023001 (01638-1023001 / 01-638-1023001) +52-638-1023002 / 0052-638-1023002 (01638-1023002 / 01-638-1023002) +52-638-1023003 / 0052-638-1023003 (01638-1023003 / 01-638-1023003) +52-638-1023004 / 0052-638-1023004 (01638-1023004 / 01-638-1023004) ...+52-638-xxxxxxx / 0052-638-xxxxxxx (01638-xxxxxxx / 01-638-xxxxxxx) ...+52-638-1023495 / 0052-638-1023495 (01638-1023495 / 01-638-1023495) +52-638-1023496 / 0052-638-1023496 (01638-1023496 / 01-638-1023496) +52-638-1023497 / 0052-638-1023497 (01638-1023497 / 01-638-1023497) +52-638-1023498 / 0052-638-1023498 (01638-1023498 / 01-638-1023498) +52-638-1023499 / 0052-638-1023499 (01638-1023499 / 01-638-1023499)