Area Code 671 Reverse Lookup

To start a free reverse phone lookup, simply enter the full 10-digit number (including the 671 area code) below and access available caller information such as name, address, and more.

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➤ Reverse Number Check / Guam / Area Code 671

Area Code 671 Location: Guam

Phone numbers with this area code prefix originate from the United States territory of Guam.

Major Cities in the 671 Service Area:

  • Hagåtña
  • Dededo
  • Tamuning
  • Yigo

Other Cities and Towns:

  • Agat
  • Agana Heights
  • Asan-Maina
  • Barrigada
  • Chalan-Pago-Ordot
  • Inarajan
  • Mangilao
  • Merizo
  • Mongmong-Toto-Maite
  • Piti
  • Santa Rita
  • Talofofo
  • Umatac
  • Yona

Area Code 671 Location Map

Area Code 671 Location on Guam Map

Area code 671 is a General Purpose Code which was placed in service on July 1, 1997.

671 Area Code Prefixes

Our reverse phone lookup will analyze the three-digit prefix of any 671 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Guam geographic region, and local calling area associated with the phone number.

Prefixes by Company

Company Number of Prefixes

Prefixes by Rate Center

Rate Center Number of Prefixes

Phone Lookup Results

ThisNumber U.S. phone directory contains name and address records for over 23 million phone numbers. Our free reverse phone lookup results may include available information on:

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  • Full Address
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