Area Code +52-637-(1019500...1019999) located in Caborca, 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 : 1019500 Subscriber Number To : 1019999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 10 Number Type : M (Mobile, Cellular) Carrier Name : PEGASO PCS, 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 : Caborca Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 30.7200 Longitude : -112.1600 ‹ previous : +52-637-(1017000...1019499) next › : +52-637-(1020000...1023999) Dialling Instructions For trunk calls: 1 637 1019500 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 637 1019500 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1019500 ~ 1019999 (Count: 500) Example: +52-637-1019500 / 0052-637-1019500 (01637-1019500 / 01-637-1019500) +52-637-1019501 / 0052-637-1019501 (01637-1019501 / 01-637-1019501) +52-637-1019502 / 0052-637-1019502 (01637-1019502 / 01-637-1019502) +52-637-1019503 / 0052-637-1019503 (01637-1019503 / 01-637-1019503) +52-637-1019504 / 0052-637-1019504 (01637-1019504 / 01-637-1019504) ...+52-637-xxxxxxx / 0052-637-xxxxxxx (01637-xxxxxxx / 01-637-xxxxxxx) ...+52-637-1019995 / 0052-637-1019995 (01637-1019995 / 01-637-1019995) +52-637-1019996 / 0052-637-1019996 (01637-1019996 / 01-637-1019996) +52-637-1019997 / 0052-637-1019997 (01637-1019997 / 01-637-1019997) +52-637-1019998 / 0052-637-1019998 (01637-1019998 / 01-637-1019998) +52-637-1019999 / 0052-637-1019999 (01637-1019999 / 01-637-1019999)