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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 ABM/PncbtB7677nnIRI7Zwrpr+W09FK0NnP7Wh4nPs/18mPZRgqoyzvGmpzydy80
 nHEWRIG4jM4K5+37mQxXLQ==

<SEC-DOCUMENT>9999999995-08-001247.txt : 20080429
<SEC-HEADER>9999999995-08-001247.hdr.sgml : 20080429
<ACCEPTANCE-DATETIME>20080429001528
ACCESSION NUMBER:		9999999995-08-001247
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20080428
DATE AS OF CHANGE:		20080429
EFFECTIVENESS DATE:		20080428

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CALLON PETROLEUM CO
		CENTRAL INDEX KEY:			0000928022
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				640844345
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-148680
		FILM NUMBER:		08782953

	BUSINESS ADDRESS:	
		STREET 1:		200 N CANAL ST
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120
		BUSINESS PHONE:		6014421601

	MAIL ADDRESS:	
		STREET 1:		200 N CANAL ST
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALLON PETROLEUM HOLDING CO
		DATE OF NAME CHANGE:	19940805

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Callon Offshore Production, Inc.
		CENTRAL INDEX KEY:			0001293656
		IRS NUMBER:				640779843
		STATE OF INCORPORATION:			MS
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-148680-01
		FILM NUMBER:		08782954

	BUSINESS ADDRESS:	
		STREET 1:		200 NORTH CANAL STREET
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120
		BUSINESS PHONE:		601-442-1601

	MAIL ADDRESS:	
		STREET 1:		200 NORTH CANAL STREET
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mississippi Marketing, Inc.
		CENTRAL INDEX KEY:			0001293829
		IRS NUMBER:				640798249
		STATE OF INCORPORATION:			MS
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-148680-02
		FILM NUMBER:		08782955

	BUSINESS ADDRESS:	
		STREET 1:		200 NORTH CANAL STREET
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120
		BUSINESS PHONE:		601-442-1601

	MAIL ADDRESS:	
		STREET 1:		200 NORTH CANAL STREET
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Callon Petroleum Operating CO
		CENTRAL INDEX KEY:			0001293651
		IRS NUMBER:				940744280
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-148680-03
		FILM NUMBER:		08782957

	BUSINESS ADDRESS:	
		STREET 1:		200 NORTH CANAL STREET
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120
		BUSINESS PHONE:		601-442-1601

	MAIL ADDRESS:	
		STREET 1:		200 NORTH CANAL STREET
		CITY:			NATCHEZ
		STATE:			MS
		ZIP:			39120
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
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<?xml version="1.0"?>
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    <schemaVersion>X0101</schemaVersion>

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    <act>33</act>

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    <effectiveData>
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            <fileNumber>333-148680</fileNumber>
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            <fileNumber>333-148680-03</fileNumber>
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