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Address Verification in Guam

Verify Guam addresses instantly. Check deliverability, get confidence scores, and standardized formatting for any address in GU. Guam is home to 135 properties on the National Register of Historic Places.

57
Cities & Towns
7
ZIP Codes

Verify a Guam Address

Check if any GU address is valid and deliverable.

Verify Guam Address

All 57 Major Cities in Guam

Adacao Afame Agana Heights Anao Andersen Afb Apotgan Apra Harbor Asan Astumbo Barrigada Barrigada Heights Chaguian Chalan Pago Dededo Finegayan Station Hågat Hagåtña Harmon Industrial Park Inalåhan Humåtak Ipan Liguan Machananao East Machananao West Machanao Macheche Maina Maite Malesso Malojloj Mangilao Mataguac Mogfog Mongmong Naval Hospital Nimitz Hill Nimitz Hill Annex North Gayinero Oka Ordot Pagat Piti Sånta Rita-sumai Sinajana South Gayinero Talo Fo Fo Tamuning Toto Tumon Ukudu University Of Guam Upper Tumon Windward Hills Wusstig Yona Y Papao Y Sengsong

Guam Address Verification Guide

MailColt provides comprehensive address verification for Guam. Our service checks:

  • Street address existence and validity
  • City and ZIP code matching
  • Deliverability status
  • Address standardization per USPS guidelines