Telephone Number Directory
+1 (671) 400-3700
Located in Guam, Unites States • Carrier: Pacific Data Systems
Safety & Risk Assessment
Neutral / Clean
Community Threat Level
5% Spam Risk
No spam reports registered
Number Specifications & Telecom Details
| Country |
(+1) United States
|
|---|---|
| State / Province | Guam |
| City / Town | Guam |
| Area Code | 671 |
| Central Office Exchange (Prefix) | 400 |
| Subscriber Line | 3700 |
| Telecom Carrier | Pacific Data Systems |
| Line Type | Landline |
Dialing Formats & International Standards
Standard E.164 International Format
+1 671 400 3700
Domestic National 10-Digit Format
(671) 400-3700
Dialing with International Call Prefix (IDD)
011 1 671 400 3700
Hyphenated Directory Format
1-671-400-3700
Community Caller Reports
0 reports submitted by our community
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Nearby Phone Numbers in the 400 Exchange
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Nuisance Call Protection
- Never disclose financial info: Banks, courts, and government agencies will never ask for gift cards or wire transfers over the phone.
- Do Not Press Keys: Pressing "1" or "9" confirms to robocall dialers that your line is active.
- National Registry: Add your number to donotcall.gov to block legal telemarketing lists.
About Guam
Area code 671 and exchange 400 serve residents and businesses across Guam and surrounding communities in Guam.
Browse 671-400 Exchange
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