Colombia Phone Number Format & Country Code +57
Colombian mobile numbers are 10 digits starting with 3. Colombia does not use a trunk prefix — numbers are dialed the same way locally and internationally (just add +57). Mobile prefixes 30x, 31x, 32x, and 33x indicate the carrier. To dial a Colombia number internationally, replace the local trunk prefix with +57. For example, 310 123 4567 becomes +57 310 123 4567. NumSwift converts between these formats automatically, validating each number against Colombia's numbering plan.
Last updated: 2026-03-18
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How to Format Colombia Phone Numbers Correctly
- Identify whether the number is in local format (e.g., 310 123 4567) or already includes the +57 country code
- Paste the number into NumSwift and select Colombia as the country
- NumSwift converts it to the standard international format: +57 310 123 4567
- Use the formatted number for international calls, WhatsApp, SMS, or CRM import
Why Understanding Colombia's Number Format Matters
- Avoid failed calls by using the correct +57 prefix instead of local-only formats
- Colombia's 10-digit structure means numbers that are too short or too long are invalid — NumSwift catches these errors
- Convert freely between local (310 123 4567) and international (+57 310 123 4567) notation
- Works with all Colombia carriers including Claro, Movistar, Tigo
Frequently Asked Questions
▶What is the country code for Colombia?
Colombia's country code is +57. When dialing a Colombia number from abroad, you replace the local trunk prefix with +57. For example, the local number 310 123 4567 becomes +57 310 123 4567 in international format.
▶How many digits are in a Colombia phone number?
Colombia phone numbers are 10 digits after the country code. Colombian mobile numbers are 10 digits starting with 3. Colombia does not use a trunk prefix — numbers are dialed the same way locally and internationally (just add +57). Mobile prefixes 30x, 31x, 32x, and 33x indicate the carrier. NumSwift validates the digit count automatically, so incorrectly truncated or padded numbers are flagged as invalid.
▶What is the difference between mobile and landline formats in Colombia?
In Colombia, mobile numbers start with 3 (no trunk prefix). Landline numbers use different prefixes and may have a different digit distribution between the area code and subscriber number. NumSwift distinguishes between the two types and formats each one correctly.
▶How do I dial a Colombia number from another country?
Replace the local trunk prefix with +57 and dial the remaining digits. For example, 310 123 4567 becomes +57 310 123 4567. NumSwift performs this conversion automatically when you paste a Colombia number and select the correct country. The formatted output is ready for calling, WhatsApp, or saving to your contacts.