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664 area code

Montserrat, Atlantic Time.Area code 664 is Montserrat, on Atlantic Time.

Right now in Montserrat

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

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

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When can you call a 664 number?

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

It dials like a US call, 1 + 664 + seven digits, but it rings in Montserrat. Check your phone plan's rates before calling a list there.

The 664 area code

Montserrat is one calling area, with no rate centers to tell apart. 664 went into service on July 1, 1996, split off from 809. Local calls can still be dialed with 7 digits.

  1. 1996664 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
  • Sint Maarten721
  • St. Lucia758
  • Dominica767
  • St. Vincent & Grenadines784
  • Dominican Republic809829849
  • Trinidad & Tobago868
  • St. Kitts & Nevis869

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664 area code FAQ

What area code is 664?

664 is a Montserrat area code.

What time zone is the 664 area code in?

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

What are the calling hours for 664 numbers?

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

When did the 664 area code start?

On July 1, 1996. It was split from 809.

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