Flagstaff, Arizona · MST (UTC-7) · United States
Flagstaff, Yuma, Prescott, Lake Havasu — rural Arizona
Grand Canyon gateway. Sedona red rocks. Note: Navajo Nation within 928 DOES observe DST.
Dial 1 + 928 + 7-digit number for calls from outside the area. Local calls within the same area code may use 7-digit dialing where available.
From outside United States: dial your country's exit code + 1 + 928 + number. From most countries, the format is +1-928-XXX-XXXX.
Area code 928 is in MST (UTC-7). Business hours are typically 9:00 AM – 5:00 PM local time.
While (928) is a legitimate area code, scammers can spoof any number. Never share personal info with unknown callers. Verify by calling the organization directly.
Area code data sourced from NANPA. Timezone data from IANA Time Zone Database. Last updated March 2026.