Japan city and number prefixes

100 of 1251 documented prefixes

• Iwaki, FukushimaCity / region number prefixes
  Number prefix246International: +81246
• Iwakuni, YamaguchiCity / region number prefixes
  Number prefix827International: +81827
• Iwamizawa, HokkaidoCity / region number prefixes
  Number prefix126International: +81126
• Iwanai, HokkaidoCity / region number prefixes
  Number prefix1356International: +811356
• Iwanai, HokkaidoCity / region number prefixes
  Number prefix1357International: +811357
• Iwanuma, MiyagiCity / region number prefixes
  Number prefix2232International: +812232
• Iwanuma, MiyagiCity / region number prefixes
  Number prefix2233International: +812233
• Iwata, ShizuokaCity / region number prefixes
  Number prefix538International: +81538
• Iwate, IwateCity / region number prefixes
  Number prefix1956International: +811956
• Iwate, IwateCity / region number prefixes
  Number prefix1957International: +811957
• Iwate, IwateCity / region number prefixes
  Number prefix1958International: +811958
• Iyomishima, EhimeCity / region number prefixes
  Number prefix896International: +81896
• Izumi, KagoshimaCity / region number prefixes
  Number prefix9966International: +819966
• Izumi, KagoshimaCity / region number prefixes
  Number prefix9967International: +819967
• Izumi, KagoshimaCity / region number prefixes
  Number prefix9968International: +819968
• Izumi, OsakaCity / region number prefixes
  Number prefix725International: +81725
• Izumo, ShimaneCity / region number prefixes
  Number prefix853International: +81853
• Joetsu, NiigataCity / region number prefixes
  Number prefix2551International: +812551
• Joetsu, NiigataCity / region number prefixes
  Number prefix2552International: +812552
• Joetsu, NiigataCity / region number prefixes
  Number prefix2553International: +812553
• Joetsu, NiigataCity / region number prefixes
  Number prefix2554International: +812554
• Kaga, IshikawaCity / region number prefixes
  Number prefix7617International: +817617
• Kaga, IshikawaCity / region number prefixes
  Number prefix7618International: +817618
• Kagoshima, KagoshimaCity / region number prefixes
  Number prefix992International: +81992
• Kagoshima, KagoshimaCity / region number prefixes
  Number prefix998International: +81998
• Kagoshima, KagoshimaCity / region number prefixes
  Number prefix99331International: +8199331
• Kagoshima, KagoshimaCity / region number prefixes
  Number prefix99343International: +8199343
• Kagoshima, KagoshimaCity / region number prefixes
  Number prefix99345International: +8199345
• Kagoshima, KagoshimaCity / region number prefixes
  Number prefix99347International: +8199347
• Kajiki, KagoshimaCity / region number prefixes
  Number prefix9954International: +819954
• Kajiki, KagoshimaCity / region number prefixes
  Number prefix9955International: +819955
• Kajiki, KagoshimaCity / region number prefixes
  Number prefix9956International: +819956
• Kajiki, KagoshimaCity / region number prefixes
  Number prefix9957International: +819957
• Kake, HiroshimaCity / region number prefixes
  Number prefix8262International: +818262
• Kake, HiroshimaCity / region number prefixes
  Number prefix8263International: +818263
• Kakegawa, ShizuokaCity / region number prefixes
  Number prefix537International: +81537
• Kakeya, ShimaneCity / region number prefixes
  Number prefix8546International: +818546
• Kakeya, ShimaneCity / region number prefixes
  Number prefix8547International: +818547
• Kakogawa, HyogoCity / region number prefixes
  Number prefix7940International: +817940
• Kakogawa, HyogoCity / region number prefixes
  Number prefix7942International: +817942
• Kakogawa, HyogoCity / region number prefixes
  Number prefix7943International: +817943
• Kakogawa, HyogoCity / region number prefixes
  Number prefix7944International: +817944
• Kakogawa, HyogoCity / region number prefixes
  Number prefix7945International: +817945
• Kakogawa, HyogoCity / region number prefixes
  Number prefix7949International: +817949
• Kakunodate, AkitaCity / region number prefixes
  Number prefix1873International: +811873
• Kakunodate, AkitaCity / region number prefixes
  Number prefix1874International: +811874
• Kakunodate, AkitaCity / region number prefixes
  Number prefix1875International: +811875
• Kamaishi, IwateCity / region number prefixes
  Number prefix1932International: +811932
• Kamaishi, IwateCity / region number prefixes
  Number prefix1933International: +811933
• Kamaishi, IwateCity / region number prefixes
  Number prefix1934International: +811934
• Kamaishi, IwateCity / region number prefixes
  Number prefix1935International: +811935
• Kameoka, KyotoCity / region number prefixes
  Number prefix7712International: +817712
• Kameoka, KyotoCity / region number prefixes
  Number prefix7713International: +817713
• Kameoka, KyotoCity / region number prefixes
  Number prefix7714International: +817714
• Kameoka, KyotoCity / region number prefixes
  Number prefix7715International: +817715
• Kameyama, MieCity / region number prefixes
  Number prefix5958International: +815958
• Kameyama, MieCity / region number prefixes
  Number prefix5959International: +815959
• Kamikawa, HokkaidoCity / region number prefixes
  Number prefix1658International: +811658
• Kamikitayama, NaraCity / region number prefixes
  Number prefix7468International: +817468
• Kamioka, AkitaCity / region number prefixes
  Number prefix578International: +81578
• Kamishihoro, HokkaidoCity / region number prefixes
  Number prefix1564International: +811564
• Kamogata, OkayamaCity / region number prefixes
  Number prefix8654International: +818654
• Kamogata, OkayamaCity / region number prefixes
  Number prefix8655International: +818655
• Kamogawa, ChibaCity / region number prefixes
  Number prefix4700International: +814700
• Kamogawa, ChibaCity / region number prefixes
  Number prefix4701International: +814701
• Kamogawa, ChibaCity / region number prefixes
  Number prefix4709International: +814709
• Kamojima, TokushimaCity / region number prefixes
  Number prefix8832International: +818832
• Kamojima, TokushimaCity / region number prefixes
  Number prefix8833International: +818833
• Kamojima, TokushimaCity / region number prefixes
  Number prefix8834International: +818834
• Kan'onji, KagawaCity / region number prefixes
  Number prefix875International: +81875
• Kanazawa, IshikawaCity / region number prefixes
  Number prefix762International: +81762
• Kanita, AomoriCity / region number prefixes
  Number prefix174International: +81174
• Kanoya, KagoshimaCity / region number prefixes
  Number prefix9943International: +819943
• Kanoya, KagoshimaCity / region number prefixes
  Number prefix9944International: +819944
• Kanoya, KagoshimaCity / region number prefixes
  Number prefix9945International: +819945
• Kanoya, KagoshimaCity / region number prefixes
  Number prefix9946International: +819946
• Kanuma, TochigiCity / region number prefixes
  Number prefix2896International: +812896
• Kanuma, TochigiCity / region number prefixes
  Number prefix2897International: +812897
• Kanuma, TochigiCity / region number prefixes
  Number prefix2898International: +812898
• Kanuma, TochigiCity / region number prefixes
  Number prefix2899International: +812899
• Karatsu, SagaCity / region number prefixes
  Number prefix9555International: +819555
• Karatsu, SagaCity / region number prefixes
  Number prefix9556International: +819556
• Karatsu, SagaCity / region number prefixes
  Number prefix9557International: +819557
• Karatsu, SagaCity / region number prefixes
  Number prefix9558International: +819558
• Kariya, AichiCity / region number prefixes
  Number prefix566International: +81566
• Kasama, IbarakiCity / region number prefixes
  Number prefix2967International: +812967
• Kasama, IbarakiCity / region number prefixes
  Number prefix2968International: +812968
• Kasaoka, OkayamaCity / region number prefixes
  Number prefix8656International: +818656
• Kasaoka, OkayamaCity / region number prefixes
  Number prefix8657International: +818657
• Kaseda, KagoshimaCity / region number prefixes
  Number prefix9935International: +819935
• Kaseda, KagoshimaCity / region number prefixes
  Number prefix9936International: +819936
• Kaseda, KagoshimaCity / region number prefixes
  Number prefix9937International: +819937
• Kaseda, KagoshimaCity / region number prefixes
  Number prefix9938International: +819938
• Kashima, SagaCity / region number prefixes
  Number prefix9546International: +819546
• Kashima, SagaCity / region number prefixes
  Number prefix9547International: +819547
• Kashiwa, ChibaCity / region number prefixes
  Number prefix471International: +81471
• Kashiwazaki, NiigataCity / region number prefixes
  Number prefix2572International: +812572
• Kashiwazaki, NiigataCity / region number prefixes
  Number prefix2573International: +812573
• Kashiwazaki, NiigataCity / region number prefixes
  Number prefix2574International: +812574
• Kasugai, AichiCity / region number prefixes
  Number prefix568International: +81568