Contra Costa, CA Post Office locations
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Alamo
Post Office Address Phone Hours ALAMO 160 ALAMO PLZ ALAMO, CA 94507 - 9998 925-935-9953 Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed -
Antioch
Post Office Address Phone Hours ANTIOCH 2730 W TREGALLAS RD ANTIOCH, CA 94509 - 9998 925-757-0379 Mon-Fri 08:30 AM - 05:00 PM Sat 09:30 AM - 02:00 PM Sun Closed RIVERTOWN 420 W 4TH ST ANTIOCH, CA 94509 - 9991 925-778-3578 -
Bethel Island
Post Office Address Phone Hours BETHEL ISLAND 6444 BETHEL ISLAND RD BETHEL ISLAND, CA 94511 - 5200 925-684-2561 Mon-Fri 09:30 AM - 05:00 PM Sat 09:30 AM - 12:00 PM Sun Closed -
Brentwood
Post Office Address Phone Hours BRENTWOOD 18 OAK ST BRENTWOOD, CA 94513 - 9998 925-240-2065 Mon-Fri 09:00 AM - 05:00 PM Sat 10:00 AM - 01:00 PM Sun Closed -
Byron
Post Office Address Phone Hours BYRON 3852 MAIN ST BYRON, CA 94514 - 5100 925-634-2600 Mon-Fri 09:30 AM - 12:30 PM 01:00 PM - 04:30 PM Sat 10:00 AM - 12:00 PM Sun Closed -
Canyon
Post Office Address Phone Hours CANYON 99 PINEHURST RD CANYON, CA 94516 - 9800 925-376-5600 Mon-Fri 09:00 AM - 12:00 PM 01:00 PM - 04:00 PM Sat 07:30 AM - 10:00 AM Sun Closed -
Clayton
Post Office Address Phone Hours CLAYTON 6150 CENTER ST CLAYTON, CA 94517 - 9998 925-672-4337 Mon-Fri 09:00 AM - 05:00 PM Sat 10:00 AM - 02:00 PM Sun Closed -
Concord
Post Office Address Phone Hours CASA CORREO 4494 TREAT BLVD CONCORD, CA 94521 - 9991 925-687-0533 CONCORD 2121 MERIDIAN PARK BLVD CONCORD, CA 94520 - 9998 925-687-0533 Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 02:00 PM Sun Closed TODOS SANTOS 2043 EAST ST CONCORD, CA 94520 - 9991 925-798-3849 -
Crockett
Post Office Address Phone Hours CROCKETT 695 POMONA ST CROCKETT, CA 94525 - 1428 510-787-9854 Mon-Fri 08:30 AM - 05:00 PM Sat-Sun Closed -
Danville
Post Office Address Phone Hours DANVILLE 2605 CAMINO TASSAJARA DANVILLE, CA 94526 - 9998 925-736-0775 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 02:00 PM Sun Closed DANVILLE SQUARE 23 RAILROAD AVE DANVILLE, CA 94526 - 3881 925-314-9650 -
Diablo
Post Office Address Phone Hours DIABLO 1701 EL NIDO DIABLO, CA 94528 - 9800 925-837-3800 Mon-Fri 09:00 AM - 12:00 PM 01:00 PM - 04:30 PM Sat 09:00 AM - 12:00 PM Sun Closed -
Discovery Bay
Post Office Address Phone Hours BYRON CA DISCOVERY BAY 3345 BIXLER RD DISCOVERY BAY, CA 94505 - 2231 925-634-1164 -
El Cerrito
Post Office Address Phone Hours EL CERRITO 11135 SAN PABLO AVE EL CERRITO, CA 94530 - 9998 510-235-5643 Mon-Fri 08:00 AM - 05:00 PM Sat 08:00 AM - 12:00 PM Sun Closed EL CERRITO CARRIER ANNEX 11245 SAN PABLO AVE EL CERRITO, CA 94530 - 9992 510-237-5746 FAIRMOUNT 6324 FAIRMOUNT AVE EL CERRITO, CA 94530 - 3651 510-525-0327 -
El Sobrante
Post Office Address Phone Hours EL SOBRANTE 535 APPIAN WAY EL SOBRANTE, CA 94803 - 9991 510-262-6910 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed -
Hercules
Post Office Address Phone Hours HERCULES 1611 SYCAMORE AVE HERCULES, CA 94547 - 1707 510-799-3607 -
Knightsen
Post Office Address Phone Hours KNIGHTSEN 3019 KNIGHTSEN AVE KNIGHTSEN, CA 94548 - 9800 925-625-2724 Mon-Fri 09:00 AM - 05:00 PM Sat 09:00 AM - 12:00 PM Sun Closed -
Lafayette
Post Office Address Phone Hours LAFAYETTE 3641 MT DIABLO BLVD LAFAYETTE, CA 94549 - 3767 925-283-8229 Mon-Fri 08:30 AM - 05:00 PM Sat 10:00 AM - 01:00 PM Sun Closed LAFAYETTE CARRIER ANNEX 3426 MT DIABLO BLVD LAFAYETTE, CA 94549 - 3980 925-962-6955 -
Martinez
Post Office Address Phone Hours COURT 815 COURT ST MARTINEZ, CA 94553 - 9991 925-229-4795 MARTINEZ 4100 ALHAMBRA AVE MARTINEZ, CA 94553 - 9998 925-228-2722 Mon-Fri 08:30 AM - 05:00 PM Sat 10:00 AM - 01:00 PM Sun Closed PACHECO 4980 PACHECO BLVD MARTINEZ, CA 94553 - 9992 925-228-2722 -
Moraga
Post Office Address Phone Hours MORAGA 460 CENTER ST MORAGA, CA 94556 - 9998 925-376-9012 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 03:00 PM Sun Closed -
Oakley
Post Office Address Phone Hours OAKLEY 400 DEL ANTICO AVE OAKLEY, CA 94561 - 5710 925-625-5687 Mon-Fri 09:00 AM - 05:00 PM Sat 09:30 AM - 12:30 PM Sun Closed -
Orinda
Post Office Address Phone Hours ORINDA 29 ORINDA WAY ORINDA, CA 94563 - 9998 925-254-6240 Mon-Fri 09:00 AM - 05:00 PM Sat 10:00 AM - 12:30 PM Sun Closed -
Pinole
Post Office Address Phone Hours PINOLE 2101 PEAR ST PINOLE, CA 94564 - 9998 510-741-3056 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 12:00 PM Sun Closed -
Pittsburg
Post Office Address Phone Hours ATLANTIC PLAZA 296 ATLANTIC AVE PITTSBURG, CA 94565 - 9993 925-432-2741 BAY POINT 646 PORT CHICAGO HWY BAY POINT, CA 94565 - 9991 925-432-2741 PITTSBURG 835 RAILROAD AVE PITTSBURG, CA 94565 - 9998 925-432-2741 Mon-Fri 09:00 AM - 05:00 PM Sat 10:00 AM - 02:00 PM Sun Closed -
Pleasant Hill
Post Office Address Phone Hours PLEASANT HILL 1945 CONTRA COSTA BLVD PLEASANT HILL, CA 94523 - 9991 925-687-0533 -
Port Costa
Post Office Address Phone Hours PORT COSTA 3 CANYON LAKE DR PORT COSTA, CA 94569 - 9800 510-787-2980 Mon-Fri 10:00 AM - 02:00 PM Sat 08:00 AM - 12:00 PM Sun Closed -
Richmond
Post Office Address Phone Hours MC VITTIE ANNEX 2100 CHANSLOR AVE RICHMOND, CA 94804 - 9991 510-232-9581 MIRA VISTA 12651 SAN PABLO AVE RICHMOND, CA 94805 - 9991 510-232-4554 POINT RICHMOND 104 WASHINGTON AVE RICHMOND, CA 94801 - 9991 510-232-4522 RICHMOND 1025 NEVIN AVE RICHMOND, CA 94801 - 3100 510-232-4314 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 01:00 PM Sun Closed -
Rodeo
Post Office Address Phone Hours RODEO 499 PARKER AVE RODEO, CA 94572 - 1457 510-799-5019 Mon-Fri 09:00 AM - 05:00 PM Sat-Sun Closed -
San Pablo
Post Office Address Phone Hours HILLTOP CARRIER ANNEX 4180 LAKESIDE DR SAN PABLO, CA 94806 - 9992 510-223-4654 SAN PABLO 2080 23RD ST SAN PABLO, CA 94806 - 3667 510-223-4654 -
San Ramon
Post Office Address Phone Hours SAN RAMON 12935 ALCOSTA BLVD SAN RAMON, CA 94583 - 9998 925-277-0567 Mon-Fri 08:30 AM - 05:00 PM Sat 09:00 AM - 02:00 PM Sun Closed -
Walnut Creek
Post Office Address Phone Hours ROSSMOOR 1922 TICE VALLEY BLVD WALNUT CREEK, CA 94595 - 9990 925-947-0195 WALNUT CREEK 2070 N BROADWAY WALNUT CREEK, CA 94596 - 9998 925-935-0256 Mon-Fri 08:00 AM - 05:00 PM Sat 09:00 AM - 03:00 PM Sun Closed YGNACIO VALLEY 2244 OAK GROVE RD WALNUT CREEK, CA 94598 - 9991 925-287-9267