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E.164 Country Calling Code

Montserrat +1

Official telecommunications routing registry for Montserrat. International dialing prefix is +1. Browse all regional numbering plan area codes below.

Current Local Time
02:58:30
UTC • UTC +00:00
Full Dialing Format
+1 (XXX) XXX-XXXX
International Prefix +1
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ISO Jurisdiction MS
MAP
Total Area Codes 2
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Standard ITU-T E.164
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⭐ Major Area Codes in Montserrat

🗄️ All Numbering Plan Area Codes (NPA)

Select an area code to view local exchange registries, carrier mappings, and geographic zones

2 Area Codes

Montserrat, a British Overseas Territory nestled in the Caribbean, operates under the North American Numbering Plan (NANP), making its country code +1 (specifically area code 664). This unique arrangement means that calls to Montserrat are dialed similarly to calls to the United States, Canada, and other Caribbean nations. Despite its small size and the challenges posed by the Soufrière Hills volcanic eruptions, Montserrat maintains a modern and resilient telecommunications infrastructure, supporting both residential and business needs. For anyone looking to establish contact with this island of 'Emerald Isle of the Caribbean', understanding the dialing process and the nuances of its numbering system is essential.

Dialing Instructions for Montserrat

To call a Montserratian number from abroad, you must follow the international dialing format. The process is straightforward, but it's crucial to remember that Montserrat uses the +1 country code, not a unique code like many other nations. Here is the step-by-step guide:

  • Step 1: International Access Prefix – Dial the exit code of the country you are calling from (e.g., 011 from the US/Canada, 00 from most European countries, or 0011 from Australia).
  • Step 2: Country Code – Enter '1', which is the NANP country code.
  • Step 3: Area Code – Add '664', the designated area code for Montserrat.
  • Step 4: Local Number – Finally, dial the 7-digit local subscriber number.

For example, if you are calling from the UK, you would dial: 00-1-664-XXX-XXXX. If you are calling from the United States, you can simply dial 1-664-XXX-XXXX (as it's treated as a domestic long-distance call).

Area Codes and Numbering Context

Montserrat's integration into the NANP means that its area code, 664, is a vital part of its identity. Introduced in 1996, the 664 area code was created to replace the previous code (809), which was shared by several Caribbean territories. This change was made to accommodate the growing demand for telephone numbers and to provide a distinct code for the island. The local numbers are seven digits, and all calls within Montserrat require dialing the full 10-digit number (area code + local number) even for local calls, a common practice in NANP regions. It's also important to note that Montserrat does not have separate area codes for different islands or regions—664 serves the entire territory, from the capital Plymouth (now abandoned due to volcanic activity) to the current de facto capital, Brades, and the main port at Little Bay.

Special Rules and Considerations

When dialing Montserrat, there are a few special rules to keep in mind:

  • No Mobile Prefixes – Unlike some countries, Montserrat does not use distinct prefixes for mobile numbers. Mobile numbers are included within the 664 area code and are seven digits long, just like landlines. However, certain number ranges may be reserved for mobile services, but they are not identifiable by a separate prefix.
  • Toll-Free and Premium Numbers – Montserrat participates in the NANP's toll-free numbers (e.g., 800, 888, 877, 866, 855, 844) and premium numbers (900), but these are not local to Montserrat and are shared across the NANP. If you encounter a toll-free number while doing business with a Montserrat company, it may be routed to a call center elsewhere.
  • Emergency Services – The emergency number in Montserrat is 911, consistent with the NANP standard. For non-emergency police or other services, local numbers are used.
  • Volcanic Activity Impact – Due to the ongoing volcanic situation, some areas of the island are restricted, and telecommunication infrastructure may be affected. It is advisable to have alternative communication methods (e.g., satellite phones or internet-based services) when visiting or operating in the exclusion zone.

Traveler and Business Tips

For travelers and businesses, staying connected in Montserrat is relatively seamless, but here are some professional tips:

  • Roaming and Local SIM Cards – Most international mobile carriers have roaming agreements with Montserrat's local providers, such as Flow and Digicel. However, roaming charges can be high. Purchasing a local prepaid SIM card is a cost-effective option for longer stays. Your phone must be unlocked to use a local SIM.
  • Internet and VoIP – Montserrat has a growing broadband infrastructure, and many hotels and cafes offer Wi-Fi. For international calls, Voice over IP (VoIP) services like Skype, WhatsApp, or Zoom are widely used, but be aware that some VoIP providers may not support calls to NANP numbers or may require additional setup.
  • Business Hours – When scheduling calls, remember that Montserrat is in the Atlantic Time Zone (AST) and does not observe Daylight Saving Time. This can affect the time difference with your home country, especially in the summer months.
  • Data Protection and Privacy – For businesses, ensure compliance with local telecommunication regulations, which align with UK standards. Always verify the correct dialing format for your clients to avoid failed connections.

❓ Frequently Asked Questions

What is the country code for Montserrat?
Montserrat uses the country code +1, as part of the North American Numbering Plan (NANP). The specific area code for Montserrat is 664.
How do I call a Montserrat number from the United States?
From the US, dial 1-664 followed by the 7-digit local number. For example, 1-664-XXX-XXXX.
How do I call Montserrat from the United Kingdom?
From the UK, dial the international exit code 00, then 1 (country code), then 664 (area code), and the 7-digit local number. So, 00-1-664-XXX-XXXX.
Is Montserrat's area code 664 only for landlines or also for mobiles?
The area code 664 is used for both landlines and mobile numbers in Montserrat. There is no separate mobile prefix; all numbers are 7 digits long.
What is the emergency number in Montserrat?
The emergency number in Montserrat is 911, consistent with the North American Numbering Plan.
Do I need to dial the area code for local calls within Montserrat?
Yes, even for local calls within Montserrat, you must dial the full 10-digit number, including the area code 664, followed by the 7-digit local number.
Are there any toll-free numbers available in Montserrat?
Yes, Montserrat participates in the NANP toll-free numbering system. Toll-free numbers (e.g., 800, 888, 877, etc.) can be dialed from Montserrat, but they may be routed to external call centers.