Area Code +52-631-(1280000...1283999) located in Nogales, Sonora (SON), more detail is as below. Place International Dialing Code : 52 International Prefix : 00 National Prefix : 01 National Destination Code : 631 Subscriber Number From : 1280000 Subscriber Number To : 1283999 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 : Nogales Timezone : America/Hermosillo Coordinated Universal Time : -07:00 Daylight Saving Time : No National Significant Number Minimum Length : 10 Latitude : 31.3200 Longitude : -110.9500 ‹ previous : +52-631-(1270000...1270999) next › : +52-631-(1290000...1299999) Dialling Instructions For trunk calls: 1 631 1280000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 52 631 1280000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 1280000 ~ 1283999 (Count: 4,000) Example: +52-631-1280000 / 0052-631-1280000 (01631-1280000 / 01-631-1280000) +52-631-1280001 / 0052-631-1280001 (01631-1280001 / 01-631-1280001) +52-631-1280002 / 0052-631-1280002 (01631-1280002 / 01-631-1280002) +52-631-1280003 / 0052-631-1280003 (01631-1280003 / 01-631-1280003) +52-631-1280004 / 0052-631-1280004 (01631-1280004 / 01-631-1280004) ...+52-631-xxxxxxx / 0052-631-xxxxxxx (01631-xxxxxxx / 01-631-xxxxxxx) ...+52-631-1283995 / 0052-631-1283995 (01631-1283995 / 01-631-1283995) +52-631-1283996 / 0052-631-1283996 (01631-1283996 / 01-631-1283996) +52-631-1283997 / 0052-631-1283997 (01631-1283997 / 01-631-1283997) +52-631-1283998 / 0052-631-1283998 (01631-1283998 / 01-631-1283998) +52-631-1283999 / 0052-631-1283999 (01631-1283999 / 01-631-1283999)