Area Code +52-643-(4370000...4371220) located in Cajeme, Sonora (SON), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 643 Subscriber Number From : 4370000 Subscriber Number To : 4371220 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 : Cajeme Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 27.3500 Longitude : -110.0400 ‹ previous : +52-643-(4361000...4361999) next › : +52-643-(4371221...4371999) Dialling Instructions For trunk calls: 1 643 4370000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 643 4370000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4370000 ~ 4371220 (Count: 1,221) Example: +52-643-4370000 / 0052-643-4370000 (01643-4370000 / 01-643-4370000) +52-643-4370001 / 0052-643-4370001 (01643-4370001 / 01-643-4370001) +52-643-4370002 / 0052-643-4370002 (01643-4370002 / 01-643-4370002) +52-643-4370003 / 0052-643-4370003 (01643-4370003 / 01-643-4370003) +52-643-4370004 / 0052-643-4370004 (01643-4370004 / 01-643-4370004) ...+52-643-xxxxxxx / 0052-643-xxxxxxx (01643-xxxxxxx / 01-643-xxxxxxx) ...+52-643-4371216 / 0052-643-4371216 (01643-4371216 / 01-643-4371216) +52-643-4371217 / 0052-643-4371217 (01643-4371217 / 01-643-4371217) +52-643-4371218 / 0052-643-4371218 (01643-4371218 / 01-643-4371218) +52-643-4371219 / 0052-643-4371219 (01643-4371219 / 01-643-4371219) +52-643-4371220 / 0052-643-4371220 (01643-4371220 / 01-643-4371220)