Trusted Area Code Safety Network
671 area code serves Area code 671 serves Guam. It was split from 808 and activated in 1997. Calls from the US are dialed as 1-671. T-Mobile treats calls as domestic (no extra charge) as of 2024.
Pacific Standard Time (PST)
UTC-8 / UTC-7
(DST)
Be cautious with 671 area code calls: This Hagåtña area code is frequently used in phone scams targeting people nationwide. Common scams include fake IRS calls, tech support fraud, and prize/lottery scams.
Most 671 calls are legitimate, but, but this area code is frequently used by scammers. 671 is a legitimate Hagåtña area code, but scammers often spoof it because:
Tip: If you don't recognize the number, screen the call via voicemail. Legitimate callers will leave a message.
Here's how to verify 671 calls:
671 area code serves central Hagåtña and surrounding areas:
Note: 671 overlaps with area codes 323 and 738 in the same geographic region.
No, 671 is not a New York area code. It's exclusively for Hagåtña, N/A.
N/A area codes include:
If someone claims to be calling from New York with a 671 number, it's likely a scam using number spoofing.
671 was one of the original area codes established in 1947 when the North American Numbering Plan began.
If caller claims urgent issue:
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Legitimate companies won't ask for SSN, passwords, or financial details over the phone.
Scammers create urgency. Legitimate calls can wait while you verify.
Use Google Voice (free) or a burner number for online shopping, dating apps, and business listings.
If they claim to be from a company, hang up and call the official number.
Report suspicious calls to FTC at reportfraud.ftc.gov
Keep your main number private. Give out your secondary number for deliveries, rentals, and online accounts.
Number A (Private): Family, close friends, work, bank, medical
Number B (Public): Online shopping, dating apps, food delivery, social media, business listings
About 20% of Americans use this strategy. Popular options: Google Voice (free), carrier second lines ($10-20/month), or dual-SIM phones.
All area code geographic assignments and overlay information are sourced directly from
the North American Numbering Plan Administration (NANPA) official
database and Federal Communications Commission (FCC) public records.
Timezone data verified against the Internet Assigned Numbers Authority
(IANA) timezone database.
Scam risk assessments based on Federal Trade Commission (FTC) Consumer
Sentinel Network reports and verified telecommunications security databases.
Data last updated: January 2025 |
NANPA Registry Verified