Area Code Slowakei : 00421 / +421

If you want to call a number in Slowakei , you have to dial 00421 from United Kingdom and omit the initial 0 of the city prefix of Slowakei . The phone number should then look like this: 00421234578978

You can tell if you received a call from Slowakei , by the initial numbers 00421 or +421 in your telephone display.

Favourable dialling codes for Slowakei

Find cheap prefixes for international calls with 00421 via Google:

Recently added comments

  1. S2k reported NHS with the number ‎+421952163383 as SMS spam

    12/1/25, 5:15 PM

    This is a scam call , nhs is from England and not from slovakia...

    1 Rating for +421952163383 (4ka of SWAN)

  2. Malc reported number ‎+421940374384 as unknown

    9/22/25, 1:12 PM

    Random call from a number in Slovakia. I don’t know anyone in that country and have no connection wi...

    1 Rating for +421940374384 (Telefonica O2)

  3. chalvin reported unknown with the number ‎+421376523160 as Ping Call

    7/23/24, 4:23 PM

    ...

    1 Rating for +421376523160 (Nitra)

  4. obob reported Visa credit card scam with the number ‎+421911808640 as Cost trap

    5/23/24, 9:01 AM

    Recorded message. Visa and train ticket scam. Avoid....

    1 Rating for +421911808640 (T-Mobile (Slovak Telekom))

  6. iPhone reported number ‎+421948598326 as unknown

    9/3/21, 7:21 AM

    ...

    1 Rating for +421948598326 (Telefonica O2)

Telephone numbers with 00421

  1. 004215654895 28 ratings and 6249 queries.
  2. +421940368571 1 ratings and 4660 queries.
  3. +421248555999 2 ratings and 1381 queries.
  4. 00421906061000 1 ratings and 684 queries.
  5. 00421221028511 4 ratings and 1582 queries.
  6. 00421413260120 6 ratings and 1280 queries.
  7. +421908388186 5 ratings and 1233 queries.
  8. +421202050663 3 ratings and 1176 queries.
  9. 00421257272440 1 ratings and 1090 queries.
  10. +421280801000 2 ratings and 1050 queries.
  11. +421944902331 1 ratings and 848 queries.
  12. 00421413214403 4 ratings and 817 queries.
  13. +421904695847 1 ratings and 462 queries.
  14. +4211413219911 1 ratings and 710 queries.
  15. 0042151706200 2 ratings and 651 queries.
  16. +421940573711 1 ratings and 642 queries.
  17. 00421948770052 0 ratings and 299 queries.
  18. +421233070494 2 ratings and 504 queries.
  19. +421907126924 1 ratings and 312 queries.
  20. +421948303862 1 ratings and 242 queries.