Neutral Tandem, Inc. Announces Date of Second Quarter 2008 Earnings Conference Call

CHICAGO, July 22, 2008 (PRIME NEWSWIRE) -- Neutral Tandem, Inc. (Nasdaq:TNDM), a
leading provider of tandem interconnection services, today announced that it
will host a conference call on Tuesday, August 5, 2008 at 10:00 a.m. (ET) with
management to review the Company's second quarter 2008 results.

Conference Call & Web Cast

The second quarter conference call will be held on Tuesday, August 5, 2008 at
10:00 a.m. (ET). A live web cast of the conference call as well as a replay will
be available online on the company's corporate web site at
www.neutraltandem.com. Participants can also access the call by dialing
800-240-4186 (within the United States and Canada), or 303-262-2141
(international callers). A replay of the call will be available approximately
two hours after the call has ended and will be available until 11:59 p.m. (PT)
on Friday, September 5, 2008. To access the replay, dial 800-405-2236 (within
the United States and Canada), or 303-590-3000 (international callers) and enter
the conference ID number: 11117152#.

About Neutral Tandem, Inc.

Headquartered in Chicago, Neutral Tandem, Inc. is a leading provider of tandem
services to wireless, wireline, cable and broadband providers. Founded in 2003,
Neutral Tandem facilitates inter-carrier communications with a cost-effective
alternative to the Incumbent Local Exchange Carrier (ILEC) network. Neutral
Tandem's solutions build redundancy, security and operational efficiencies into
the nation's telecommunications infrastructure. As of March 31, 2008, Neutral
Tandem was capable of connecting approximately 298 million telephone numbers
assigned to carriers. Please visit Neutral Tandem's website at:
www.neutraltandem.com.

The Neutral Tandem Inc. logo is available at
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CONTACT: Neutral Tandem, Inc.
Media Contact:
Gerard Laurain
(312) 384-8041
Investor Contact:
Jim Polson
1-866-268-4744