Area Code +52-643-(4375550...4375999) located in Bácum, 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 : 4375550 Subscriber Number To : 4375999 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 : Bácum Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 27.4600 Longitude : -110.1100 ‹ previous : +52-643-(4375488...4375549) next › : +52-643-(4380000...4380631) Dialling Instructions For trunk calls: 1 643 4375550 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 643 4375550 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 4375550 ~ 4375999 (Count: 450) Example: +52-643-4375550 / 0052-643-4375550 (01643-4375550 / 01-643-4375550) +52-643-4375551 / 0052-643-4375551 (01643-4375551 / 01-643-4375551) +52-643-4375552 / 0052-643-4375552 (01643-4375552 / 01-643-4375552) +52-643-4375553 / 0052-643-4375553 (01643-4375553 / 01-643-4375553) +52-643-4375554 / 0052-643-4375554 (01643-4375554 / 01-643-4375554) ...+52-643-xxxxxxx / 0052-643-xxxxxxx (01643-xxxxxxx / 01-643-xxxxxxx) ...+52-643-4375995 / 0052-643-4375995 (01643-4375995 / 01-643-4375995) +52-643-4375996 / 0052-643-4375996 (01643-4375996 / 01-643-4375996) +52-643-4375997 / 0052-643-4375997 (01643-4375997 / 01-643-4375997) +52-643-4375998 / 0052-643-4375998 (01643-4375998 / 01-643-4375998) +52-643-4375999 / 0052-643-4375999 (01643-4375999 / 01-643-4375999)