Area Code +351-22-(0180000...0189999) located in Porto, Porto (13), more detail is as below. Place International Dialing Code : 351 International Prefix : 00 National Destination Code : 22 Subscriber Number From : 0180000 Subscriber Number To : 0189999 National Destination Code Length : 2 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : OPTIMUS - COMUNICAÇÕES, S.A. Click here to buy Portugal Area Code Database Other Information Language Code : pt (Portuguese) Country Number : 620 (Portugal) Country Code : PT (Portugal) Region Code : 13 Region Name : Porto City : Porto Timezone : Europe/Lisbon Coordinated Universal Time : +00:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 41.1500 Longitude : -8.6100 ‹ previous : +351-22-(0170000...0179999) next › : +351-22-(0190000...0199999) Dialling Instructions For trunk calls: - 22 0180000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 351 22 0180000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 0180000 ~ 0189999 (Count: 10,000) Example: +351-22-0180000 / 00351-22-0180000 (22-0180000 / -22-0180000) +351-22-0180001 / 00351-22-0180001 (22-0180001 / -22-0180001) +351-22-0180002 / 00351-22-0180002 (22-0180002 / -22-0180002) +351-22-0180003 / 00351-22-0180003 (22-0180003 / -22-0180003) +351-22-0180004 / 00351-22-0180004 (22-0180004 / -22-0180004) ...+351-22-xxxxxxx / 00351-22-xxxxxxx (22-xxxxxxx / -22-xxxxxxx) ...+351-22-0189995 / 00351-22-0189995 (22-0189995 / -22-0189995) +351-22-0189996 / 00351-22-0189996 (22-0189996 / -22-0189996) +351-22-0189997 / 00351-22-0189997 (22-0189997 / -22-0189997) +351-22-0189998 / 00351-22-0189998 (22-0189998 / -22-0189998) +351-22-0189999 / 00351-22-0189999 (22-0189999 / -22-0189999)