How to protest AB trademarking our area code.

AB In-Bev wants to trademark a number of city area codes, and so here is the answer from the Patent and trademark office how to protest a trademark application:
(you can fax, or submit electronically)
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Dear Clif:

Thank you for contacting the Trademark Assistance Center (TAC) regarding how to protest a trademark application.

LETTER OF PROTEST:

You can file a letter of protest if you are claiming that a pending application is likely to cause confusion with your registered trademark or a trademark in your prior pending application (one that was filed before the application that you wish to challenge) or if there is some other reason you believe the trademark should not be registered.

FORMS:

You can fax your letters of protest to 571-273-0032 or you can file your letter of protest online through the Trademark Electronic Application System (TEAS) at http://www.uspto.gov/teas/e-TEAS/index.html . You should click on the overall Petitions Forms category from the TEAS front page and then select form number 8 ( Letter of Protest ).

Enter the serial number (for '713' - serial number is: 85326005) of the application you wish to protest and click on the heading Petitions or similar matters. From the displayed pull-down menu, select the Letter of Protest option and then click the Next button.

ADDITIONAL INFORMATION:

More information about letters of protest is available in Section 1715 of the Trademark Manual of Examining Procedure (TMEP) at http://tess2.uspto.gov/tmdb/tmep/1700.htm#_T1715 .

If you have any further questions or if you require additional information, please contact the Trademark Assistance Center at 571-272-9250 and press "0". You can reference the following Service Request number: 1-190834912.