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Area Code Detail

Area Code 671

Guam (includes Andersen Air Force Base) · In service since July 1, 1997

GU
Reports, 30 Days 1

Recent FCC and FTC complaint records tied to this area code.

Reports, 180 Days 11

Broader complaint volume used to prioritize indexable pages.

Active Prefixes 130

Distinct NPA-NXX exchanges surfaced from routing and complaint data.

Carriers / Assignees 9

Named carriers, assignees, or code holders found in routing data.

Cities / Rate Centers 0

Distinct cities or rate centers attached to this area code.

States / Territories 1

Coverage footprint visible from NANPA, pooled block, and Canada routing data.

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Examples: 206-739-5800, 206, 206-739, 48369
Overview

What this area code covers

Guam (includes Andersen Air Force Base)

Created for membership in NANP 671 was the former country code for the island

Top carriers and assignees

  • TELEGUAM HOLDINGS, LLC · 53 routing rows
  • PTI PACIFICA INC. · 19 routing rows
  • GUAM WIRELESS TELEPHONE COMPANY, LLC · 14 routing rows
  • MULTIPLE OCN LISTING · 9 routing rows
  • PACIFIC DATA SYSTEMS - GU · 2 routing rows
  • CHOICE PHONE, LLC DBA ICONN · 2 routing rows
  • PTI PACIFICA INC. DBA IT&E - GU · 2 routing rows
  • DOCOMO PACIFIC, INC. · 2 routing rows
  • PTI PACIFICA INC. DBA IT&E · 1 routing rows
NPA-NXX

Strongest exchanges inside area code 671

These prefixes combine recent complaint concentration with routing or assignment density, which makes them good candidates for indexing and exploration.

Prefix Complaint Score Routing Rows Companies Cities
671-333 4 1 1 0
671-475 4 1 1 0
671-997 4 1 1 0
671-615 4 0 0 0
671-675 4 0 0 0
671-200 0 1 0 0
671-201 0 1 1 0
671-211 0 1 1 0
671-260 0 1 0 0
671-271 0 1 0 0
671-272 0 1 0 0
671-273 0 1 0 0
671-274 0 1 0 0
671-275 0 1 0 0
671-276 0 1 0 0
671-281 0 1 0 0
671-282 0 1 0 0
671-283 0 1 0 0
Recent Signals

Latest complaint activity tied to 671

Complaint pages are the strongest indexing opportunity for this site right now, especially for exact phone numbers and toll-free exchanges.

FTC report from Leicester, NORTH CAROLINA

March 13, 2026 at 4:12 PM

671-997-8630 was logged as a robocall. Category: Warranties & protection plans. Violation date: March 13, 2026 at 11:30 AM.

FTC report from Palisade, COLORADO

February 12, 2026 at 4:31 PM

This report was logged as a robocall. Violation date: February 10, 2026 at 9:29 AM.

FTC report from Palisade, COLORADO

February 12, 2026 at 4:30 PM

This report was logged as a robocall. Violation date: February 9, 2026 at 1:28 PM.

FTC report from Wexford, PENNSYLVANIA

January 30, 2026 at 11:45 AM

This report was logged as a live voice. Violation date: January 30, 2026 at 9:47 AM.

FTC report from GUAM

January 29, 2026 at 9:54 PM

671-333-4444 was logged as a robocall. Violation date: January 22, 2026 at 12:00 AM.

FTC report from Saxonburg, PENNSYLVANIA

January 15, 2026 at 2:56 PM

671-675-4444 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: January 15, 2026 at 2:32 PM.

FTC report from Kailua, HAWAII

January 9, 2026 at 3:01 AM

671-475-7809 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: January 8, 2026 at 12:00 PM.

FTC report from Buena Vista, GEORGIA

December 16, 2025 at 11:05 AM

671-615-8813 was logged as a robocall. Violation date: December 16, 2025 at 10:57 AM.

FTC report from MISSOURI

December 15, 2025 at 4:15 PM

This report was logged as a robocall. Violation date: December 15, 2025 at 3:13 PM.

FTC report from Wexford, PENNSYLVANIA

December 10, 2025 at 11:16 AM

This report was logged as a live voice. Violation date: December 9, 2025 at 1:24 PM.

FTC report from Smyrna, GEORGIA

November 25, 2025 at 3:56 PM

This report was logged as a robocall. Violation date: November 25, 2025 at 3:21 PM.

FTC report from Gainesville, FLORIDA

September 24, 2025 at 8:00 PM

This report was logged as a robocall. Category: Warranties & protection plans. Violation date: September 23, 2025 at 2:33 PM.

FTC report from Carrollton, TEXAS

September 22, 2025 at 1:38 PM

This report was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: September 22, 2025 at 11:40 AM.

FTC report from GEORGIA

August 1, 2025 at 6:10 PM

671-972-8552 was logged as a unwanted call. Violation date: July 31, 2025 at 12:46 AM.

FTC report from Spring, TEXAS

July 9, 2025 at 3:28 PM

671-472-0114 was logged as a robocall. Category: Medical & prescriptions. Violation date: July 9, 2025 at 1:46 PM.

FTC report from MICHIGAN

July 1, 2025 at 9:33 PM

This report was logged as a live voice. Violation date: July 1, 2025 at 6:31 PM.

FTC report from Saugus, MASSACHUSETTS

June 30, 2025 at 12:48 PM

671-261-2539 was logged as a live voice. Category: Calls pretending to be government, businesses, or family and friends. Violation date: June 30, 2025 at 11:30 AM.

FCC report from Fairfax, VA

June 27, 2025 at 2:52 PM

671-855-7656 was logged as a text message. Category: Other Services. Unwanted Calls. Contact method: Wireless (cell phone/other mobile device).

FTC report from Ogunquit, MAINE

June 23, 2025 at 6:59 PM

671-681-0379 was logged as a robocall. Violation date: June 23, 2025 at 6:56 PM.

FTC report from Wexford, PENNSYLVANIA

May 30, 2025 at 11:43 AM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: May 30, 2025 at 11:35 AM.

FTC report from Medford, MASSACHUSETTS

May 22, 2025 at 8:15 PM

671-387-3000 was logged as a robocall. Category: Calls pretending to be government, businesses, or family and friends. Violation date: May 1, 2025 at 9:02 AM.

FTC report from West Bridgewater, MASSACHUSETTS

May 14, 2025 at 3:30 PM

671-957-0576 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: May 14, 2025 at 3:19 PM.

FTC report from VIRGINIA

May 8, 2025 at 6:19 PM

671-441-5805 was logged as a unwanted call. Violation date: May 6, 2025 at 4:08 PM.

FTC report from Wexford, PENNSYLVANIA

April 23, 2025 at 10:53 AM

This report was logged as a live voice. Category: Dropped call or no message. Violation date: April 23, 2025 at 10:44 AM.

FTC report from Centennial, COLORADO

April 5, 2025 at 3:08 PM

671-209-6021 was logged as a live voice. Category: Energy, solar, & utilities. Violation date: April 5, 2025 at 1:06 PM.

FTC report from York, PENNSYLVANIA

April 2, 2025 at 9:39 AM

671-777-9304 was logged as a robocall. Violation date: April 2, 2025 at 12:00 PM.

FTC report from Huntington Beach, CALIFORNIA

March 25, 2025 at 8:54 PM

671-483-3218 was logged as a robocall. Category: Dropped call or no message. Violation date: March 24, 2025 at 9:20 AM.

FTC report from Salem, NEW HAMPSHIRE

March 13, 2025 at 3:37 PM

671-370-8118 was logged as a robocall. Category: Reducing your debt (credit cards, mortgage, student loans). Violation date: March 13, 2025 at 1:37 PM.

FTC report from Bakersfield, CALIFORNIA

March 11, 2025 at 3:48 PM

671-420-5762 was logged as a live voice. Category: Energy, solar, & utilities. Violation date: March 11, 2025 at 11:59 AM.

FTC report from MISSOURI

February 27, 2025 at 11:21 AM

This report was logged as a robocall. Category: Medical & prescriptions. Violation date: February 27, 2025 at 10:17 AM.

FTC report from Mill Creek, WASHINGTON

February 6, 2025 at 9:34 PM

671-727-1023 was logged as a robocall. Violation date: December 29, 2024 at 1:06 PM.

FTC report from TEXAS

January 13, 2025 at 6:36 PM

This report was logged as a robocall. Violation date: January 12, 2025 at 12:30 AM.

FTC report from CONNECTICUT

December 28, 2024 at 2:14 PM

This report was logged as a live voice. Violation date: December 24, 2024 at 11:46 AM.

FTC report from Foxboro, MASSACHUSETTS

November 14, 2024 at 1:59 PM

671-824-2669 was logged as a live voice. Violation date: November 14, 2024 at 1:51 PM.

FTC report from WISCONSIN

September 27, 2024 at 2:41 PM

671-262-7085 was logged as a unwanted call. Category: No Subject Provided. Violation date: September 27, 2024 at 11:28 AM.

FTC report from Beckley, WEST VIRGINIA

September 18, 2024 at 2:15 PM

671-333-7336 was logged as a live voice. Violation date: September 18, 2024 at 11:46 AM.

FTC report from CALIFORNIA

August 20, 2024 at 9:25 PM

671-488-8528 was logged as a live voice. Violation date: August 20, 2024 at 6:09 AM.

FTC report from Stockton, CALIFORNIA

August 19, 2024 at 1:40 PM

671-963-6810 was logged as a robocall. Violation date: August 16, 2024 at 5:20 PM.

FTC report from Yona, GUAM

July 17, 2024 at 12:48 AM

671-789-1374 was logged as a robocall. Violation date: July 17, 2024 at 8:30 AM.

FTC report from Boston, MASSACHUSETTS

June 28, 2024 at 1:51 PM

671-545-9814 was logged as a live voice. Category: Energy, solar, & utilities. Violation date: June 28, 2024 at 1:49 PM.

Routing

Detailed routing and assignment data

This table merges NANPA, pooled block, and Canadian assignment sources where available.

Prefix Block Carrier / Assignee Rate Center City State Use Type Assign Date
671-200 XXXX GU UA
671-201 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 06/02/2023
671-211 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-260 XXXX GU UA
671-271 XXXX GU UA
671-272 XXXX GU UA
671-273 XXXX GU UA
671-274 XXXX GU UA
671-275 XXXX GU UA
671-276 XXXX GU UA
671-281 XXXX GU UA
671-282 XXXX GU UA
671-283 XXXX GU UA
671-284 XXXX GU UA
671-285 XXXX GU UA
671-286 XXXX GU UA
671-287 XXXX GU UA
671-288 XXXX GU UA
671-289 XXXX GU UA
671-290 XXXX GU UA
671-300 XXXX PACIFIC DATA SYSTEMS - GU AGANA GU AS 03/23/2007
671-311 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-333 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-339 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-343 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-344 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-349 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-355 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-362 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-366 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-400 XXXX PACIFIC DATA SYSTEMS - GU AGANA GU AS 11/04/2010
671-411 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-456 XXXX PTI PACIFICA INC. AGANA GU AS
671-471 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-472 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-473 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-474 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-475 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-477 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-478 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-479 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-480 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 03/13/2015
671-482 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-483 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-484 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 02/18/2022
671-485 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 07/18/2023
671-486 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-487 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 05/07/2009
671-488 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 03/28/2002
671-489 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 09/07/2011
671-511 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-555 XXXX MULTIPLE OCN LISTING DIR ASST GU UA
671-562 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-563 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-564 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-565 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-588 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 05/07/2009
671-611 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-632 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-633 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-634 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-635 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-637 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-638 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-642 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-644 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-645 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-646 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-647 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-648 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-649 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-653 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-654 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-671 XXXX GU UA
671-678 XXXX PTI PACIFICA INC. AGANA GU AS 05/17/2002
671-682 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 02/19/2016
671-683 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 02/26/2016
671-685 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 11/05/2009
671-686 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 11/20/2001
671-687 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS
671-688 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS
671-689 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS
671-700 XXXX GU UA
671-707 XXXX PTI PACIFICA INC. AGANA GU AS 03/26/2009
671-711 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-726 XXXX PTI PACIFICA INC. DBA IT&E AGANA GU AS
671-727 XXXX PTI PACIFICA INC. AGANA GU AS
671-734 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-735 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-747 XXXX PTI PACIFICA INC. AGANA GU AS 02/23/2012
671-777 XXXX PTI PACIFICA INC. AGANA GU AS 05/08/2001
671-787 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 06/13/2002
671-788 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS
671-789 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-797 XXXX PTI PACIFICA INC. AGANA GU AS 04/08/2009
671-811 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-828 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-838 XXXX PTI PACIFICA INC. AGANA GU AS 08/25/2004
671-848 XXXX PTI PACIFICA INC. AGANA GU AS 10/10/2008
671-858 XXXX PTI PACIFICA INC. AGANA GU AS 10/10/2008
671-864 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS
671-865 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 09/08/2025
671-867 XXXX TELEGUAM HOLDINGS, LLC AGANA GU AS 08/08/2024
671-868 XXXX PTI PACIFICA INC. AGANA GU AS 03/10/2003
671-878 XXXX PTI PACIFICA INC. AGANA GU AS 01/13/2005
671-888 XXXX CHOICE PHONE, LLC DBA ICONN AGANA GU AS
671-898 XXXX CHOICE PHONE, LLC DBA ICONN AGANA GU AS 08/24/2004
671-911 XXXX MULTIPLE OCN LISTING XXXXXXXXXX GU UA
671-922 XXXX PTI PACIFICA INC. DBA IT&E - GU AGANA GU AS 02/25/2003
671-929 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 04/09/2008
671-950 XXXX GU UA
671-958 XXXX GU UA
671-959 XXXX GU UA
671-967 XXXX PTI PACIFICA INC. AGANA GU AS 08/28/2009
671-969 XXXX DOCOMO PACIFIC, INC. AGANA GU AS 01/08/2007
671-971 XXXX PTI PACIFICA INC. AGANA GU AS 02/09/2011
671-972 XXXX PTI PACIFICA INC. AGANA GU AS 02/10/2012
671-976 XXXX GU UA
671-977 XXXX PTI PACIFICA INC. AGANA GU AS 08/28/2009
671-979 XXXX PTI PACIFICA INC. DBA IT&E - GU AGANA GU AS 09/03/2009
671-987 XXXX PTI PACIFICA INC. AGANA GU AS 07/22/2005
671-988 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 03/04/2003
671-989 XXXX DOCOMO PACIFIC, INC. AGANA GU AS 02/03/2010
671-991 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 12/04/2025
671-996 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 12/16/2025
671-997 XXXX PTI PACIFICA INC. AGANA GU AS 03/30/2010
671-998 XXXX PTI PACIFICA INC. AGANA GU AS 03/30/2010
671-999 XXXX GUAM WIRELESS TELEPHONE COMPANY, LLC AGANA GU AS 12/16/2025