Only $2.95 per month *

Nestled in the heart of Slovenia with its rich medieval history, Celje is a bustling hub of culture and commerce, home to over 37,000 residents.

With a local phone number from prefix 3, connect to Celje's vibrant community using any device or software, making every call as close as a local one.

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Make and receive calls with your Celje phone number

FlyNumber SIP gives your Celje number its own credentials for any SIP calling app from the app stores — Zoiper, Groundwire, Linphone and more — or a desk phone.

  • Incoming calls included in the number's monthly rate
  • Outgoing calls billed per minute, with your Celje number as the caller ID
  • Up to 5 devices — phone, desktop and desk phone ring together
  • Voicemail built in
Incoming call Rings every registered device
🇺🇸
+1 307 429 0155 United States · Sheridan, WY
Included in the number's monthly rate
Outgoing call Dial out from any SIP app or desk phone
Caller ID +1 307 429 0155
🇺🇸 Your number
Billed per minute from your prepaid balance
FlyNumber SIP Make and receive calls
Built-in VoIP
Your own SIP credentials — works with any SIP app or desk phone.
Username13074290155
Password••••••••••
SIP serversip.flynumber.com
DevicesUp to 5
Phone, desktop and desk phone ring together
VoicemailBuilt in
Picks up when no device answers

Features

  • Manage your Celje business calls with your virtual number directing to any local landline.
  • Enhance customer interactions in Celje by employing a call menu in Slovenian for efficient routing.
  • Host your local Celje sports club meetings via calls using your virtual number with VoIP solutions.
  • Stay connected with Celje's folklore festival organizers by forwarding your virtual number to your mobile.
  • Utilize unlimited incoming minutes for VOIP calls to organize tours in Celje’s Old Castle area smoothly.
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Use any device or software

Any device can be used to make and receive calls with your FlyNumber.

Prefer to skip third-party providers? FlyNumber SIP gives you your own SIP credentials — register any SIP app or desk phone and make and receive calls with just your FlyNumber.

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Call like a local, pay like a local

In many cases if you make outgoing calls to a Slovenia phone number using a Slovenia FlyNumber as the caller-ID the rate is significantly cheaper.

  • The rate is sometimes 10x cheaper so if you call a certain country often, it pays to get a FlyNumber from there.
  • Anytime you make outgoing calls with FlyNumber (via FlyNumber SIP or the optional phone system) there is a low per minute rate.
  • You can make outgoing calls with FlyNumber SIP or from the optional phone system.
  • More details on the phone system billing can be found in our docs.
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FAQ’s

Can I get SMS on my Celje virtual phone number?

Unfortunately Celje, SI numbers do not come with SMS capabilities at the moment. This can change at any time, so follow us on social media for updates. Full list of SMS enabled numbers here.

Can I use FlyNumber to stay connected to my family in Celje while I'm traveling?

Absolutely! With FlyNumber, you can forward your virtual phone number to any mobile or landshiphone worldwide. So, whether you're exploring the city's historical sites like Celje Castle or attending the annual Celje Medieval Days, you can receive calls directly to your mobile phone without missing a beat.

How can I manage business calls from Celje if I'm frequently out of the country?

With the cloud-based PBX Phone System offered by FlyNumber, you can manage your business calls with ease. Set up call routing based on the time of day—perfect for handling calls from Celje during business hours, while redirecting them appropriately when you're off duty or traveling.

Is it possible to use local Celje cultural events to promote my business with FlyNumber's services?

Of course! Utilize the call menu feature to engage callers. For example, configure your IVR (Interactive Voice Response) to mention upcoming local events like the Celje Fair or Celje FOKUS Festival when customers call your FlyNumber. It's a fantastic way to keep callers informed and connected with local culture while promoting your business.

Can I connect my Celje FlyNumber to a VoIP device and still receive calls on my regular phone?

Yes, you can. FlyNumber allows you to send your calls to any VoIP solution like Asterisk, or simply forward them to a regular phone number. This means you can always stay connected, whether you’re at home in Celje or anywhere else in the world, without needing multiple devices.

What if I need to save important business communications while I am attending the Celje International Business Summit?

With FlyNumber, all your voicemails, greetings, and call recordings are automatically saved to the cloud. This feature ensures you won’t miss any critical information or potential business opportunities while you're networking at important events.

How can I support my customers in Celje in Slovenian language at different times of the day?

FlyNumber allows you to route phone calls based on the day and time to any destination you choose. This feature is particularly useful for providing customer support in Slovenian during peak hours or according to your business schedule, ensuring your clients always have access to assistance when needed.

A genuine Celje SI phone number

In the historical heart of Slovenia, Celje's prefix 3 not only connects you locally but also dials you back to a city steeped in medieval history.

For those calling into Celje, the dialing format is straightforward: +386 3, followed by the local subscriber number, ensuring you're just a call away from the echoes of ancient counts and castles.

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Other cities you might be interested in

  • Connect globally from Nova Gorica with FlyNumber's worldwide call forwarding.
  • In Ljubljana, blend rich history with modern VoIP solutions from FlyNumber.
  • Boost your Maribor business with multi-device compatible phone numbers.
  • Kranj thrives on innovation; so does our cloud PBX system at FlyNumber.
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Unlimited incoming

Answer over the internet and incoming calls are unlimited, included in the Celje number's monthly price.

Use FlyNumber SIP with any SIP app or desk phone, or forward to a SIP / VoIP address: your own PBX, a VoIP provider, or an AI voice platform like LiveKit or VAPI.

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Forward to any regular phone number

For an additional low per min rate, you can forward the Celje FlyNumber calls to any regular phone number in the world.

Use our cloud PBX system (optional) for increased flexibility:

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Use cases

Over the years we've seen our FlyNumbers used in a multitude of ways:

  • Use the Celje number as a 2nd phone line/phone number
  • Anonymize your personal mobile phone number
  • Separate business and personal calls
  • For your "Contact Us" page
  • Give friends/family a local phone number to reach you on
  • Use the Celje, SI FlyNumber for applications or forms (both online and offline)
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Optional Cloud Phone System

Local info you may want to know

Celje, Slovenia's third-largest city, boasts a vibrant population of around 38,000. It's a blend of historical charm and growing economic activities, making it an appealing spot for both living and business ventures.

Known for its rich history dating back to the Roman times, Celjani are proud of their cultural heritage which includes the Old Castle and the Celje Museum of Recent History. Notable for its younger demographic, with a significant portion of residents under 30, Celje's dynamic atmosphere is set to foster innovative startups and businesses.

Interestingly, Celje is also known as the "City of Counts," a nod to its noble history, adding a unique prestige to any local business address or personal correspondence in the area.

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We cover thousands of cities from all over the world

Check out our main Slovenia page here.

Add local phone numbers from other countries and manage them all from the same account.

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Pay per phone number, not per user

No setup fee on most numbers.

Never any contracts or obligations, cancel anytime.

Turn on Auto-Renew — each renewal is a one-time charge — or add funds manually.

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*Monthly price for the number includes unlimited incoming minutes when you answer with FlyNumber SIP or VoIP.

Additional rates apply when you forward to a regular phone number or make outgoing calls (via FlyNumber SIP or the optional cloud phone system).