+46-11-(3001000...3001999): Norrköping, Östergötlands län (E) Read more about +46-11-(3001000...3001999)
+46-120-(551000...551999): Åtvidaberg, Östergötlands län (E) Read more about +46-120-(551000...551999)
+46-121-(360000...360999): Söderköping, Östergötlands län (E) Read more about +46-121-(360000...360999)
+46-123-(772000...772999): Valdemarsvik, Östergötlands län (E) Read more about +46-123-(772000...772999)
+46-125-(551000...551999): Vikbolandet, Östergötlands län (E) Read more about +46-125-(551000...551999)
+46-13-(3288000...3288999): Linköping, Östergötlands län (E) Read more about +46-13-(3288000...3288999)
+46-142-(610000...610999): Mjöby-Skänninge-Boxholm, Östergötlands län (E) Read more about +46-142-(610000...610999)
