Where is area code 664?
NANPA assigns 664 to Montserrat. The source report does not provide city-level coverage for this record, so this page does not guess a particular city. Browse other codes in Montserrat
Verified area-code information
664 Area Code
664 is an in-service Montserrat area code assigned to Montserrat. It identifies a numbering region, not a caller’s current location.
Official Numbering RegionVerified NANPA Assignment
MontserratArea Code 664
Country: Montserrat•Time Zone: Atlantic Standard•In Service: 01-Jul-1996
- Numbering country
- Montserrat
- Area-code type
- Geographic
- Numbering region
- Montserrat
- Time-zone information
- Atlantic Standard
- In service since
- 01-Jul-1996
View the official area-code maps ↗. Maps show numbering areas, not a caller’s location.
Time zones associated with 664
NANPA lists Atlantic Standard for this numbering area. These are numbering-region time zones, not a caller’s current location.
Atlantic Standard time
An area code can span more than one time zone. Local daylight-saving rules may differ.
How do you dial a 664 number?
Use the North American country calling code +1 followed by the three-digit area code and seven-digit local number. For example, write the pattern as +1 664 XXX XXXX. Local dialing rules and charges depend on your location and provider. Check a supported dialing format or check NANPA’s 10-digit dialing list.
Check a number with area code 664
Enter the full ten-digit number to see its structure and formatting. The check stays in your browser.
Check a 664 number
Enter a 10-digit +1 North American number. We check its structure and area-code record, not the caller’s identity or whether the line is active.
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Received an unfamiliar call?
The displayed number may be spoofed. Do not rely on an area code as proof of caller identity. If the caller claims to represent a business, end the call and contact that business using a number you found independently.
Common questions about 664
What time zone is area code 664 in?
664 is assigned to Montserrat, and the NANPA record associates it with Atlantic Standard time. A phone number does not reveal its owner’s current time zone. The clock above uses a representative time zone for the numbering area.
Does 664 mean the caller is in Montserrat?
No. An area code is an assignment, and a person can travel, move, use internet calling, or display a spoofed number.
Can this page identify who called?
No. OfficialAreaCode has no live subscriber directory or spam-report database.