Codes.zone

San Diego County ZIP Codes

San Diego County is a county of California.

ZIP codes
182
Cities & towns
51
Area codes
4
Land area
4,210 sq mi

Every ZIP code in San Diego County

919xx–921xx
The complete list of San Diego County, CA ZIP codes with the city each one delivers to.
ZIP codeCity
91901Alpine
91902Bonita
91903Alpine
91905Boulevard
91906Campo
91908Bonita
91909Chula Vista
91910Chula Vista
91911Chula Vista
91912Chula Vista
91913Chula Vista
91914Chula Vista
91915Chula Vista
91916Descanso
91917Dulzura
91921Chula Vista
91931Guatay
91932Imperial Beach
91933Imperial Beach
91934Jacumba
91935Jamul
91941La Mesa
91942La Mesa
91943La Mesa
91944La Mesa
91945Lemon Grove
91946Lemon Grove
91948Mount Laguna
91950National City
91951National City
91962Pine Valley
91963Potrero
91976Spring Valley
91977Spring Valley
91978Spring Valley
91979Spring Valley
91980Tecate
91987Tecate
92003Bonsall
92004Borrego Springs
92007Cardiff By The Sea
92008Carlsbad
92009Carlsbad
92010Carlsbad
92011Carlsbad
92013Carlsbad
92014Del Mar
92018Carlsbad
92019El Cajon
92020El Cajon
92021El Cajon
92022El Cajon
92023Encinitas
92024Encinitas
92025Escondido
92026Escondido
92027Escondido
92028Fallbrook
92029Escondido
92030Escondido
92033Escondido
92036Julian
92037La Jolla
92038La Jolla
92039La Jolla
92040Lakeside
92046Escondido
92049Oceanside
92051Oceanside
92052Oceanside
92054Oceanside
92055Camp Pendleton
92056Oceanside
92057Oceanside
92058Oceanside
92059Pala
92060Palomar Mountain
92061Pauma Valley
92064Poway
92065Ramona
92066Ranchita
92067Rancho Santa Fe
92068San Luis Rey
92069San Marcos
92070Santa Ysabel
92071Santee
92072Santee
92074Poway
92075Solana Beach
92078San Marcos
92079San Marcos
92081Vista
92082Valley Center
92083Vista
92084Vista
92085Vista
92086Warner Springs
92088Fallbrook
92091Rancho Santa Fe
92092La Jolla
92093La Jolla
92096San Marcos
92101San Diego
92102San Diego
92103San Diego
92104San Diego
92105San Diego
92106San Diego
92107San Diego
92108San Diego
92109San Diego
92110San Diego
92111San Diego
92112San Diego
92113San Diego
92114San Diego
92115San Diego
92116San Diego
92117San Diego
92118Coronado
92119San Diego
92120San Diego
92121San Diego
92122San Diego
92123San Diego
92124San Diego
92126San Diego
92127San Diego
92128San Diego
92129San Diego
92130San Diego
92131San Diego
92132San Diego
92134San Diego
92135San Diego
92136San Diego
92137San Diego
92138San Diego
92139San Diego
92140San Diego
92142San Diego
92143San Ysidro
92145San Diego
92147San Diego
92149San Diego
92150San Diego
92152San Diego
92153San Diego
92154San Diego
92155San Diego
92158San Diego
92159San Diego
92160San Diego
92161San Diego
92163San Diego
92165San Diego
92166San Diego
92167San Diego
92168San Diego
92169San Diego
92170San Diego
92171San Diego
92172San Diego
92173San Ysidro
92174San Diego
92175San Diego
92176San Diego
92177San Diego
92178Coronado
92179San Diego
92182San Diego
92186San Diego
92187San Diego
92190San Diego
92191San Diego
92192San Diego
92193San Diego
92195San Diego
92196San Diego
92197San Diego
92198San Diego
92199San Diego

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the San Diego County codes above are listed without a column we would have to invent.

Cities and towns in San Diego County

A further 33 places in San Diego County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering San Diego County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where San Diego County's ZIP codes sit

Each point is the reference point of one San Diego County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Scope every ZIP code recorded in San Diego County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.