Only $2.95 per month *

Nestled in the heart of Schleswig-Holstein, Bad Oldesloe, with its charming prefix 4531, is a cultural gem with a vibrant community of over 24,000 residents. Experience local connectivity like never before, using any device or software, and make Bad Oldesloe your new calling home.

Use any device or software

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

  • iOS or Android smartphone
  • Mac, PC, or Linux computer
  • Desktop office phone
  • Any regular phone (a phone number)
  • 3rd party VoIP solutions
PC and smartphone and server and laptop in hand-drawn style

A genuine Bad Oldesloe DE phone number

In the heart of Schleswig-Holstein, Bad Oldesloe's prefix 4531 connects you directly to a town rich in medieval history, famous for its spas and tranquil river settings.

Dialing into this prefix follows the format +49 4531 XXXXXX, linking you to not only local charm but also to Germany's robust telecommunications infrastructure.

Hand drawn style image depicting Germany

Local presence with global essence

Having a local phone number with the Bad Oldesloe 4531 prefix allows your business to maintain a community presence, making it more approachable to local callers who prefer dealing with local services.

Moreover, a study by Software Advice found that customers are up to four times more likely to answer calls from local numbers, ensuring you never miss a beat, no matter where you are or what device you're using.

Please note Bad Oldesloe, Germany numbers have special registration requirements, more info on the main Germany page.

Building with globe in background and location icon in hand-drawn style

Unlimited incoming

When you answer phone calls with VoIP, or in other words the internet - it's free unlimited incoming minutes.

This is included in the price of the Bad Oldesloe phone number.

Blue infinity symbol in hand-drawn style

Forward to any regular phone number

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

Use our phone system (optional) for increased flexibility:

  • To multiple phone numbers (up to 3)
  • Based on day of the week and/or time
  • Forward to phone number as backup to VoIP
Phone handset with arrows pointing to smartphone in hand-drawn style

Use cases

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

  • Use the Bad Oldesloe 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 Bad Oldesloe, DE FlyNumber for applications or forms (both online and offline)
Truck and buildings and people indicating multiple use cases hand-drawn style

Optional Cloud Phone System

Configure your call flow with our intuitive "drag and drop" grid canvas

  • Call menu / IVR
  • Time/Day based routing
  • Route based on caller-ID
  • Forward to multiple destinations (Phone numbers and/or VoIP)
  • Call Queue
  • Much more...
Abstract modules connecting to other modules in hand-drawn style

We cover thousands of cities from all over the world

Check out our full coverage of Germany cities here.

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

Globe in hand-drawn style with phone handset

Germany Forum topics

Blog Posts


How do I get a local Bad Oldesloe DE virtual phone number?

Easy, just sign up here and choose how you'd like to use the Bad Oldesloe FlyNumber (you can change the settings anytime via your panel).

Can I get SMS on my Bad Oldesloe virtual phone number?

Unfortunately Bad Oldesloe, DE 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.

How do I receive free unlimited calls with my Bad Oldesloe local phone number?

You'll want to use whats called a VoIP softphone (aka SIP application) - there are many free (and paid) ones available on iOS or Android.

Check out this blog post for more details.

You can also use a 3rd party VoiP solution.

Can I forward my Bad Oldesloe FlyNumber to a regular phone number?

Yes, you can forward any FlyNumber to a standard phone number from anywhere in the world for a low per min rate.

Please note this blog post if you anticipate blocked or anonymous caller-ID's calling your FlyNumber (while it forwards to a regular phone number).

Is it possible to port an existing Bad Oldesloe phone number to FlyNumber?

Generally speaking yes however we ask you to open a ticket or send us an email with the full phone number to confirm, it can take a couple of days to a week or 2 depending on the country.

Pay per phone number, not per user

No Setup fees.

Never any contracts or obligations, cancel anytime.

Set up a recurring subscription or add funds to your account manually.

Company representative in front of laptop with smartphone in hand wearing headset in hand-drawn style

*Monthly price for the number includes unlimited incoming and SMS to email.

Additional rates apply when you forward to a regular phone number, make outgoing calls and/or use our internal cloud phone system.