-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 OqlhUGizkaIsnGe88whLgQYQRSYf/fNdvocb/yGQhsDmfdzVqDEEO8fuVwsarlOj
 RYB2Nq8889U8vdPkhQ3pbg==

<SEC-DOCUMENT>9999999995-10-000482.txt : 20100212
<SEC-HEADER>9999999995-10-000482.hdr.sgml : 20100212
<ACCEPTANCE-DATETIME>20100212001519
ACCESSION NUMBER:		9999999995-10-000482
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100211
DATE AS OF CHANGE:		20100212
EFFECTIVENESS DATE:		20100211

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Guaranty Bancorp
		CENTRAL INDEX KEY:			0001324410
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				412150446
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-163709
		FILM NUMBER:		10593897

	BUSINESS ADDRESS:	
		STREET 1:		1331 SEVENTEENTH STREET, SUITE 300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202
		BUSINESS PHONE:		303-296-9600

	MAIL ADDRESS:	
		STREET 1:		1331 SEVENTEENTH STREET, SUITE 300
		CITY:			DENVER
		STATE:			CO
		ZIP:			80202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Centennial Bank Holdings, Inc.
		DATE OF NAME CHANGE:	20050420
</SEC-HEADER>
<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2010-02-11</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>15:30:00</finalEffectivenessDispTime>
        <form>S-3</form>
        <filer>
            <cik>0001324410</cik>
            <entityName>Guaranty Bancorp</entityName>
            <fileNumber>333-163709</fileNumber>
        </filer>
    </effectiveData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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