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Southwest Airlines

United States

IATA WNICAO SWA

IATA Code

WN

2-letter airline designator

ICAO Code

SWA

3-letter airline designator

AWB Prefix

526

Air Waybill number prefix

Callsign

SOUTHWEST

Radio telephony callsign

Country

United States

Air Waybill Prefix

526

Air Waybill numbers issued by Southwest Airlines begin with 526. For example, a typical AWB number would be 526-12345678.

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