Post Office - Waukesha 300 E Broadway Waukesha, WI 53186 Phone : (262) 650-5388 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (262) 650-5390 Passport Application Services - Waukesha 300 E Broadway Waukesha, WI 53186 Phone : (262) 650-5388 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (262) 650-5390 Automated Postal Center - Waukesha 300 E Broadway Waukesha, WI 53186 Phone : (262) 650-5388 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Fax           (262) 650-5390