Postmaster Finder
Postal History
Research Sources
Postmaster Finder
Post Offices by County
SAN DIEGO COUNTY,
CALIFORNIA
ZIP Code
Post Office
Date Established
Date Discontinued
91901
ALPINE
BLYTHE
03/06/1882
05/23/1884
91902
BONITA
92003
BONSALL
92004
BORREGO SPRINGS
91905
BOULEVARD
92006
CAMPO
92007
CARDIFF BY THE SEA
92008
CARLSBAD
91910
CHULA VISTA
DE LUZ
11/01/1882
02/28/1955
92014
DEL MAR
10/22/1885
92016
DESCANSO
02/16/1877
92017
DULZURA
92020
EL CAJON
92024
ENCINITAS
92025
ESCONDIDO
92028
FALLBROOK
91932
IMPERIAL BEACH
91934
JACUMBA
91935
JAMUL
92036
JULIAN
92037
LA JOLLA
08/17/1894
LA JOLLA PARK
02/29/1888
03/31/1893
91941
LA MESA
92040
LAKESIDE
92045
LEMON GROVE
LEUCADIA
03/27/1888
12/30/1964
MOUNT FAIRVIEW
12/28/1871
12/28/1880
92048
MOUNT LAGUNA
08/04/1920
92050
NATIONAL CITY
92153
NESTOR
10/31/1992
NORTH SAN DIEGO
04/09/1850
10/31/1943
92054
OCEANSIDE
92059
PALA
07/26/1997
92061
PAUMA VALLEY
92062
PINE VALLEY
92063
POTRERO
92064
POWAY
92065
RAMONA
09/24/1883
92066
RANCHITA
92067
RANCHO SANTA FE
92199
SAN DIEGO
04/08/1869
92068
SAN LUIS REY
02/01/1997
92069
SAN MARCOS
SAN YSIDRO
04/13/1910
01/05/1974
92070
SANTA YSABEL
92071
SANTEE
92075
SOLANA BEACH
92077
SPRING VALLEY
92080
TECATE
TEMECULA
04/22/1859
11/12/1862
92082
VALLEY CENTER
92083
VISTA
92086
WARNER SPRINGS
WARNER'S RANCH
07/05/1861
10/07/1875
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