You can use any kind of phone to call everywhere in the world. With your plan you can make calls by various ways: Phone card, Mobile APP or Direct Dial. We combine phone lines and Internet to provide you always with stable connection and voice quality.

Choose calling rates to Ukraine - Kharkov



Сalling phone cards


Why should I buy a phone card online?

Phone cards online offer domestic and international rates that are usually much lower than rates offered by residential phone service providers and prepaid phone cards sold in stores.

Looking to buy international calling cards for calling abroad from USA to Ukraine - Kharkov? Comfi provides the best international calling cards that will make your connection with friends, family or co-workers advantageous and impeccable.

We provide a lot of international phone cards to call from USA to Ukraine - Kharkov.

Comfi.com calling card is a invulnerable, comfortable and simple way to get in touch with recipient abroad. The basic characteristic is the option to top up it. Thus, you can add money to the account without buying a new calling card.

This phone card has the following merits.

  1. High-quality telephone services. No lines breaks, noise or any other common phone problems. If your recipient's phone is working properly, you will feel like you're talking to a someone living next door.
  2. Low rates. On our site we've collected the cheapest calling cards. Your conversations won't be big-budget and you will discuss whatever you want with no hurry. You will be able to save up to 75% on international calls.
  3. Friendly and ready-to-help support. Have any questions? Feel free to contact our support agents via email, live chat or phone. Be sure - you will receive a detailed and prompt answer.
  4. momentary delivery of the card number on screen or by email. No need to wait - start calling right away!

How to use the calling card?

  1. Dial access number and wait for the prompt.
  2. Once you hear the prompt, select prompt language.
  3. Enter your card number and wait for the prompt.
  4. Dial your destination number. For international calls: 011 + countrycode + City Code + Phone Number

We're sincerely hoping to see you among our clients. We'll ensure you high level of services and support in every step of using our international calls card. Our main aim is to make people closer to each other and provide good and ideal communication even if people are thousands of miles apart from each other.

Start using our international call cards right now and enjoy premium class phone connection around the planet!

  • Save up to 75% on international calls
  • Boston, MA based customer service

ComFi.com BBB Business Review

Customer Service

1 (617) 861-4107
(800) 219-6993 (usa)
average waiting time: 5 min

10AM - 6PM EST
6PM - 10AM EST
Use Online Form - 24/7

Customer Testimonials

"Great Value"

Martin O H, Cork, Ireland

"Very helpful and quick!! just what i like."

Melanie, helped via chat support.

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