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Area Code 664 Location & Details

State / Region: Montserrat • Country: Montserrat

Major Cities Covered: Montserrat And Surrounding Communities

Standard Dial Format
+1 (664) XXX-XXXX
Country Code: +1 (NANP Format)
🛡️
HIGH-RISK SCAM AREA CODE

Missed-call callback scam

Threat Rating
9.8 / 10
Territory / Origin:Montserrat (Non-US Caribbean / International)
Scam Mechanism:Same missed-call pattern as other former-809 territories.
Evidence Status:Only appears in the original 1990s split announcement; absent from every 2013+ scam-warning list reviewed
Split History:Split from 809, effective July 1, 1996 (confirmed date, per AT&T's own effective-date table).

Phone Safety Tip:

Do not return missed calls from unknown +664 numbers. Callers are billed high per-minute international rates on your mobile invoice.

What State is Area Code 664?
MontserratState Hub →
Country Territory
Montserrat
664 Area Code Time Zone
Eastern / Central
664 Overlay Codes
No Overlays

Where is Area Code 664 Located?

Telephone area code 664 is assigned to Montserrat in Montserrat. It serves cities and metropolitan communities including Montserrat And Surrounding Communities.

Historical Context & Area Code Overlay Information:664 serves Montserrat (Montserrat).

For local and long-distance calls within area code 664, standard 10-digit dialing (664) XXX-XXXX applies.

Who Called Me from Area Code 664?

Received an unknown call, missed call, or text scam from area code 664? Here is how to trace who is calling from 664 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 664 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 664:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 664 & Dialing Format

When placing a phone call to a number in area code 664, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (664) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 664 + 7-digit number.
  • Do I need to dial area code 664 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 664

Urban centers, census places, and communities within the +1-664 calling area

1 Major Cities Listed
City NameCountyPopulation% of 664 Pop
Montserrat And Surrounding CommunitiesMontserrat County250,000100.0%

Counties Covered by Area Code 664

Geographic county distribution and population coverage across Montserrat

County NameTotal Population% of 664 Area% of County
Montserrat County337,500100.0%74%

☎️Area Code 664 Exchange Prefixes & Carriers

Showing 15 of 15 central office 3-digit prefixes and assigned telecom carriers

60% Landline33% Wireless7% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(664) 200-📞LandlineMontserrat and surrounding communitiesCable & Wireless01/11/2007
(664) 201-📱WirelessMontserrat and surrounding communitiesDigicel04/18/2008
(664) 202-📞LandlineMontserrat and surrounding communitiesFlow Telecommunications12/24/2006
(664) 203-📞LandlineMontserrat and surrounding communitiesUTS / Liberty Caribbean12/18/2006
(664) 204-📱WirelessMontserrat and surrounding communitiesDigicel01/24/2007
(664) 205-💻VoIPMontserrat and surrounding communitiesBandwidth.com05/12/2011
(664) 206-📞LandlineMontserrat and surrounding communitiesCable & Wireless01/24/2007
(664) 207-📞LandlineMontserrat and surrounding communitiesCable & Wireless07/22/1999
(664) 208-📱WirelessMontserrat and surrounding communitiesDigicel01/25/2007
(664) 209-📱WirelessMontserrat and surrounding communitiesDigicel01/26/2007
(664) 210-📞LandlineMontserrat and surrounding communitiesFlow Telecommunications07/22/1999
(664) 212-📱WirelessMontserrat and surrounding communitiesDigicel06/13/2000
(664) 214-📞LandlineMontserrat and surrounding communitiesCable & Wireless10/13/1999
(664) 215-📞LandlineMontserrat and surrounding communitiesUTS / Liberty Caribbean07/22/1999
(664) 218-📞LandlineMontserrat and surrounding communitiesFlow Telecommunications10/13/1999

Frequently Asked Questions about Area Code 664

Where is area code 664 located?

Area code 664 is located in Montserrat (Montserrat), serving cities like Montserrat And Surrounding Communities.

What timezone is area code 664?

Area code 664 operates in the Eastern / Central timezone.

What state is area code 664?

Area code 664 is assigned to the state / telecom territory of Montserrat.

Is area code 664 a scam or dangerous?

Yes, area code 664 (Montserrat) is flagged as a high-risk international callback scam prefix. Do not dial back unknown missed calls.

Montserrat State Area Codes

View complete directory of telephone area codes assigned to Montserrat.

Explore Montserrat Directory

Get a 664 Business Phone Number

How to acquire a virtual phone number or business line with area code 664 for local customer trust in Montserrat.

Get 664 Business Number
🛡️ Scam & Safety Directory

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