San Mateo, CA Post Offices
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94401
Post Office Address Phone Hours SAINT MATTHEW 210 S ELLSWORTH AVE SAN MATEO, CA 94401 - 9991 650-358-8476 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 12:30 PM Sun Closed -
94402
Post Office Address Phone Hours SAN MATEO 1630 S DELAWARE ST SAN MATEO, CA 94402 - 9998 650-358-8490 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 12:30 PM Sun Closed -
94403
Post Office Address Phone Hours 25TH AVENUE 135 W 25TH AVE SAN MATEO, CA 94403 - 9991 650-358-8476 Mon-Fri 09:30 AM - 05:00 PM Sat Closed Sun Closed -
94404
Post Office Address Phone Hours FOSTER CITY 750 ALMA LN STE 100 FOSTER CITY, CA 94404 - 2598 650-358-8490 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 02:00 PM Sun Closed