Roaming & travel
International Roaming Charges: What You Pay Abroad and How to Avoid Surprise Bills
Learn when international roaming charges apply, how calls, texts, voicemail, and data appear on your bill, and how…
People · Places · Connections
Every country is
just a code away.
Find the code, format the number and connect with confidence.
- Dialing codes
- Number formats
- Practical tips
- For a more connected world
Browse 245 countriesFind dialing codes, number formats and key calling information. Explore US area codesLook up 379 area codes, cities and regional information across the US. Avoid international call scamsLearn to spot common scams and keep your calls safe. Understand roamingGet clear advice on roaming charges, settings and smarter alternatives.
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Calling across borders
Practical guides, real-world advice and country insights to help you stay connected wherever you go.
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VoIP & apps
Is There a Monthly Charge for a VoIP Phone?
Learn whether VoIP phones have a monthly charge, what home and business plans cost, and which equipment, calling,…
Area codes
Are Area Codes Random or Assigned by Location?
Are area codes random? Learn how geographic area codes are assigned, why cities share several codes, and why…
Calling abroad
How to Call Abroad from an iPhone Using the Correct Number Format
Learn how to call abroad from an iPhone using the plus sign, country code, and verified…
Country codes
How to Identify the Country Behind Any International Phone Number
Learn how to identify a country from an international phone number, read country calling codes and…
Calling abroad
How to Call Abroad from France: Country Codes, Mobile Options, and Ways to Save
Learn how to call abroad from France using country codes, 00 or plus, mobile plans, apps,…
Calling abroad
How to Make Free International Calls Without Using Cellular Minutes
Learn how to make free international calls over Wi-Fi, compare app-to-app options, avoid roaming charges, and…
Roaming & travel
How to Activate International Roaming Before You Travel and Avoid Surprise Charges
Learn how to activate international roaming before a trip, configure iPhone or Android settings, compare travel…
Roaming & travel
Mint Mobile Roaming Not Working? Try These Fixes Abroad
Mint Mobile roaming not working abroad? Follow practical iPhone and Android checks for no service, failed…
Calling abroad
How to Call a Foreign Number from France: International Dialing Codes Explained
Learn how to call a foreign number from France, use international dialing codes correctly, compare calling…
VoIP & apps
How VoIP Apps Work on Android Phones
Learn how VoIP apps work on Android, use Wi-Fi and mobile data, process voice, manage permissions,…
Area codes
How Do USA Area Codes Work?
Learn how USA area codes work, why regions have multiple codes, how US phone numbers are…