Area Code +48-91-(5510000...5519999) located in Szczecin, more detail is as below. Place International Dialing Code : 48 International Prefix : 00 National Destination Code : 91 Subscriber Number From : 5510000 Subscriber Number To : 5519999 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 : AlterTEL Sp. z o.o. Click here to buy Poland Area Code Database Other Information Language Code : pl (Polish) Country Number : 616 (Poland) Country Code : PL (Poland) City : Szczecin Timezone : Europe/Warsaw Coordinated Universal Time : +01:00 Daylight Saving Time : Yes National Significant Number Minimum Length : 9 Latitude : 53.4300 Longitude : 14.5500 ‹ previous : +48-91-(5500000...5509999) next › : +48-91-(5520000...5529999) Dialling Instructions For trunk calls: - 91 5510000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 00 48 91 5510000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 5510000 ~ 5519999 (Count: 10,000) Example: +48-91-5510000 / 0048-91-5510000 (91-5510000 / -91-5510000) +48-91-5510001 / 0048-91-5510001 (91-5510001 / -91-5510001) +48-91-5510002 / 0048-91-5510002 (91-5510002 / -91-5510002) +48-91-5510003 / 0048-91-5510003 (91-5510003 / -91-5510003) +48-91-5510004 / 0048-91-5510004 (91-5510004 / -91-5510004) ...+48-91-xxxxxxx / 0048-91-xxxxxxx (91-xxxxxxx / -91-xxxxxxx) ...+48-91-5519995 / 0048-91-5519995 (91-5519995 / -91-5519995) +48-91-5519996 / 0048-91-5519996 (91-5519996 / -91-5519996) +48-91-5519997 / 0048-91-5519997 (91-5519997 / -91-5519997) +48-91-5519998 / 0048-91-5519998 (91-5519998 / -91-5519998) +48-91-5519999 / 0048-91-5519999 (91-5519999 / -91-5519999)