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721 area code

Sint Maarten, Atlantic Time.Area code 721 is Sint Maarten, on Atlantic Time.

Right now in Sint Maarten

Atlantic Time (AST, UTC-4, all year)

This tool tracks calling hours in the US and Canada only, not in Sint Maarten. Call during business hours, their time, and check the local rules.

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When can you call a 721 number?

This tool tracks calling hours in the US and Canada only, not in Sint Maarten. Call during business hours, their time, and check the local rules.

It dials like a US call, 1 + 721 + seven digits, but it rings in Sint Maarten. Check your phone plan's rates before calling a list there.

The 721 area code

Sint Maarten is one calling area, with no rate centers to tell apart. 721 went into service on September 30, 2011. Local calls can still be dialed with 7 digits.

  1. 2011721 starts

Source: NANPA area code database

Other Caribbean and Atlantic area codes

  • BahamasEastern Time242
  • Barbados246
  • Anguilla264
  • Antigua & Barbuda268
  • British Virgin Islands284
  • Cayman IslandsEastern Time345
  • Bermuda441
  • Grenada473
  • Turks & Caicos IslandsEastern Time649
  • JamaicaEastern Time658876
  • Montserrat664
  • St. Lucia758
  • Dominica767
  • St. Vincent & Grenadines784
  • Dominican Republic809829849
  • Trinidad & Tobago868
  • St. Kitts & Nevis869

Calling a list of 721 numbers?

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721 area code FAQ

What area code is 721?

721 is a Sint Maarten area code.

What time zone is the 721 area code in?

Atlantic Time (AST, UTC-4, all year).

What are the calling hours for 721 numbers?

This tool tracks calling hours in the US and Canada only. Call during business hours, their time, and check Sint Maarten's own rules.

When did the 721 area code start?

On September 30, 2011.

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