<SEC-DOCUMENT>0001171843-22-006846-index.html : 20221027
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<ACCEPTANCE-DATETIME>20221027172950
ACCESSION NUMBER:		0001171843-22-006846
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20221027
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20221027
DATE AS OF CHANGE:		20221027

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTAMERICA BANCORPORATION
		CENTRAL INDEX KEY:			0000311094
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		IRS NUMBER:				942156203
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09383
		FILM NUMBER:		221338337

	BUSINESS ADDRESS:	
		STREET 1:		1108 FIFTH AVE
		CITY:			SAN RAFAEL
		STATE:			CA
		ZIP:			94901
		BUSINESS PHONE:		(707) 863-6000

	MAIL ADDRESS:	
		STREET 1:		4550 MANGELS BLVD
		STREET 2:		A-2Y
		CITY:			FAIRFIELD
		STATE:			CA
		ZIP:			94585-1200

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INDEPENDENT BANKSHARES CORP
		DATE OF NAME CHANGE:	19830801
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