Verify Slovakia Phone Numbers - Country Code +421
Our phone number lookup tool above instantly verifies whether a phone number belongs to Slovakia by analyzing its country code and number format. Slovakia phone numbers use the country code +421 and follow an 4 to 9 digits national format.
| Country: |  Slovakia (SK, SVK) |
|---|---|
| Country Calling Code: | +421 |
| National Number Format: | 4 to 9 digits |
| Example Number: | +421 905 123456 |
| International Dialing Prefix: | 00 |
| National Trunk Prefix: | 0 |
| Time Zone (UTC/DST): | +1/+2 |
| Regulator: | Telecommunications Regulatory Authority of the Slovak Republic (TR) |
Find Phone Numbers in Slovakia Directories
Looking for a specific company's contact information? Use trusted local business directories to find phone numbers and addresses.
sk.phpTelefónny Zoznam
Search Slovak numbers - landlines and mobiles from Slovak Telekom and Telefónica O2 Slovakia sro. In Slovakian. Type in the name of the person you're looking for in the first box and then click on the Hľadaj button to search.
Antik Telecom
White Pages for subscribers to Antik Telecom. In Slovakian. Type in the surname of the person you want to find in the box Priezvisko and then click on Hľadaj. Reverse search offered as well - type in the number in the box Telefónne číslo. Needs correct accents for names when searching.
sk.phpZlatéStránky
Yellow Pages for businesses in Slovakia. In Slovakian. Type in what you're looking for in the search box and press Nájdi.
Reverse Phone Lookup
Stop wondering who called! Enter any phone number to instantly get detailed information.
Identify Slovak Mobile Operator
Reverse phone lookup results may include which mobile operator issued a phone number. Mobile numbers are usually issued by one of the following operators:
Orange
MCCMNC code: 23101, 23105
Telekom
MCCMNC code: 23102, 23104
O2
MCCMNC code: 23106
4ka
MCCMNC code: 23103
Calling from Slovakia to the United States
To call United States from Slovakia, follow this exact dialing sequence:
- 00 - Slovakia's international access code
- 1 - United States country code
- Area Code - Specific U.S. area code
- 7-digit number - The local phone number
Example: To call (312) 555-0123 from Slovakia, dial: 00 1 312 555 0123
Useful tip: Ensure accurate connections and prevent billing errors by checking numbers with a US reverse phone lookup database. If you know you should be calling to a specific U.S. city, let's say Cleveland, then you should use phone number lookup tool for Cleveland, Ohio, or its area codes (216, 440).
Slovakia National Numbering Plan (Country Code +421)
Overview
The Slovak national (significant) number (N(S)N) has a minimum length of 3 digits and a maximum length of 12 digits, both counts excluding the country code.
Detail of the numbering plan
| NDC / Leading digits | Min length | Max length | Service / Usage | Additional information |
|---|---|---|---|---|
| 10 | 4 | 4 | Carrier selection codes | |
| 11 | 3 | 6 | Reserved for harmonised European numbers | |
| 12 | 5 | 5 | Interactive information & services of network providers | |
| 13 | 5 | 5 | Non-public service numbers of network providers | |
| 14 | 5 | 5 | Nation-wide information & assistance services | |
| 15 | 3 | 3 | Emergency calls | |
| 16 | 5 | 5 | Regional short number – public-interest services | |
| 17 | 5 | 5 | Regional short number – public-interest services | |
| 18 | 5 | 5 | National short number – public-interest services | |
| 19 | 4 | 4 | Gateways – public telephone to public data networks | |
| 2 | 9 | 9 | Fixed network subscriber numbers | |
| 3 | 9 | 9 | Fixed network subscriber numbers | |
| 4 | 9 | 9 | Fixed network subscriber numbers | |
| 5 | 9 | 9 | Fixed network subscriber numbers | |
| 600 | Reserve of numbering plan | |||
| 601 | 9 | 9 | Internet provider access-point numbers | |
| 602 | 9 | 9 | VoIP – access codes | |
| 603–609 | Reserve of numbering plan | |||
| 61–62 | 12 | 12 | M2M communication | |
| 63 | 12 | 12 | M2M communication – extra-territorial use in EU | |
| 640–649 | 9 | 9 | Reserve of numbering plan | |
| 650–654 | 9 | 9 | VoIP – subscriber numbers | |
| 655–689 | 9 | 9 | Reserve of numbering plan | |
| 690–696 | 9 | 9 | VoIP – subscriber numbers | |
| 697–699 | 9 | 9 | Reserve of numbering plan | |
| 7 | 9 | 9 | Reserve of numbering plan | |
| 800 | 9 | 9 | Freephone services | |
| 801–805 | 9 | 9 | Reserve of numbering plan | |
| 806–809 | 9 | 9 | Voice information | |
| 810–818 | 9 | 9 | Reserve of numbering plan | |
| 8190000 | 9 | 9 | Dial-up Internet access | |
| 8190001–8499999 | 9 | 9 | Reserve of numbering plan | |
| 850 | 9 | 9 | Shared-cost services | Universal access number |
| 851–887 | 9 | 9 | Shared-cost services | |
| 888 | 9 | 9 | Direct marketing services | |
| 889 | 9 | 9 | Shared-cost services | |
| 890 | 9 | 9 | Shared-cost services – televoting | |
| 891–899 | 9 | 9 | Shared-cost services | |
| 900 | 9 | 9 | Premium rate services | |
| 901–904 | 9 | 9 | Slovak Telekom mobile subscriber numbers | |
| 905–908 | 9 | 9 | Orange Slovensko mobile subscriber numbers | |
| 9090 | 9 | 9 | Radiotelephone networks / paging | |
| 9091–9099 | 9 | 9 | Slovak Telekom mobile subscriber numbers | |
| 910–914 | 9 | 9 | Slovak Telekom mobile subscriber numbers | |
| 915–919 | 9 | 9 | Orange Slovensko mobile subscriber numbers | |
| 92–93 | 9 | 9 | Reserve of numbering plan | |
| 940 | 9 | 9 | O2 Slovakia mobile subscriber numbers | |
| 941–942 | 9 | 9 | Mobile subscriber numbers | |
| 943001 | 9 | 9 | Vonage Business mobile subscriber numbers | |
| 943002 | 9 | 9 | BSG Estonia mobile subscriber numbers | |
| 94312 | 9 | 9 | Uniphone mobile subscriber numbers | |
| 94333 | 9 | 9 | Uniphone mobile subscriber numbers | |
| 944 | 9 | 9 | O2 Slovakia mobile subscriber numbers | |
| 945 | 9 | 9 | Orange Slovensko mobile subscriber numbers | |
| 946 | 9 | 9 | Reserve of numbering plan | |
| 947–949 | 9 | 9 | O2 Slovakia mobile subscriber numbers | |
| 950–952 | 9 | 9 | SWAN a.s. mobile subscriber numbers | |
| 953–958 | 9 | 9 | Mobile subscriber numbers | |
| 9590–9597 | 9 | 9 | Mobile subscriber numbers | |
| 9598 | 9 | 9 | Railways of the Slovak Republic – GSM-R | |
| 9599 | 9 | 9 | Mobile subscriber numbers | |
| 96 | 9 | 9 | Special telecom networks (army, police) | |
| 97–98 | 9 | 9 | Premium rate services – audiotex | |
| 99 | Network routing numbers | # used in form 99XY |
Contact
P.O. BOX 40
828 55 Bratislava 24
Slovakia