How many ZIP codes are in Alameda County, CA?

Alameda County has 69 ZIP codes, 49 of them standard ZIP codes for street addresses.

What cities are in Alameda County?

Alameda County ZIP codes cover Oakland, Berkeley, Hayward, Fremont, San Leandro, Alameda, Castro Valley and Emeryville and 9 other places.

What area code is Alameda County, CA?

Alameda County uses area codes 209, 341, 350, 408, 415, 510, 628, 650, 669 and 925.

What time zone is Alameda County in?

Alameda County is in Pacific Time.

Alameda County, California ZIP codes

69ZIP codes

17Cities and towns

1,655,008People in ZIP areas

209, 341, 350Area codes

Alameda County is in California and the Pacific Time zone. ZIP codes don’t follow county lines exactly, so a ZIP code listed here can reach into a neighboring county.

All ZIP codes in Alameda County

ZIP code	City	Type	Population	Median income
94501	Alameda	Standard	63,808	$127,906
94502	Alameda	Standard	13,430	$180,938
94536	Fremont	Standard	70,619	$167,662
94537	Fremont	PO Box only	–	–
94538	Fremont	Standard	67,781	$147,301
94539	Fremont	Standard	52,396	$243,552
94540	Hayward	PO Box only	–	–
94541	Hayward	Standard	67,139	$105,729
94542	Hayward	Standard	14,871	$133,734
94543	Hayward	PO Box only	–	–
94544	Hayward	Standard	76,947	$107,785
94545	Hayward	Standard	32,843	$114,356
94546	Castro Valley	Standard	44,855	$128,385
94550	Livermore	Standard	49,873	$180,295
94551	Livermore	Standard	37,885	$145,392
94552	Castro Valley	Standard	14,506	$212,605
94555	Fremont	Standard	37,501	$219,938
94557	Hayward	PO Box only	–	–
94560	Newark	Standard	46,903	$169,064
94566	Pleasanton	Standard	44,222	$191,155
94568	Dublin	Standard	70,803	$214,385
94577	San Leandro	Standard	46,317	$108,772
94578	San Leandro	Standard	41,769	$94,084
94579	San Leandro	Standard	20,017	$99,040
94580	San Lorenzo	Standard	29,420	$110,729
94586	Sunol	Standard	971	$204,931
94587	Union City	Standard	67,464	$133,715
94588	Pleasanton	Standard	34,328	$191,073
94601	Oakland	Standard	53,259	$72,359
94602	Oakland	Standard	31,759	$122,263
94603	Oakland	Standard	35,742	$76,723
94604	Oakland	PO Box only	–	–
94605	Oakland	Standard	44,103	$106,068
94606	Oakland	Standard	39,966	$72,470
94607	Oakland	Standard	28,804	$94,863
94608	Emeryville	Standard	34,395	$120,239
94609	Oakland	Standard	23,928	$107,834
94610	Oakland	Standard	32,628	$134,507
94611	Oakland	Standard	40,116	$180,549
94612	Oakland	Standard	18,175	$74,037
94613	Oakland	PO Box only	472	–
94614	Oakland	PO Box only	–	–
94615	Oakland	Standard	–	–
94617	Oakland	Standard	–	–
94618	Oakland	Standard	16,958	$201,780
94619	Oakland	Standard	26,831	$129,867
94620	Piedmont	PO Box only	–	–
94621	Oakland	Standard	33,840	$52,049
94622	Oakland	Unique	–	–
94623	Oakland	PO Box only	–	–
94624	Oakland	PO Box only	–	–
94649	Oakland	Unique	–	–
94659	Oakland	Unique	–	–
94660	Oakland	Unique	–	–
94661	Oakland	PO Box only	–	–
94662	Emeryville	PO Box only	–	–
94666	Oakland	Unique	–	–
94701	Berkeley	PO Box only	–	–
94702	Berkeley	Standard	17,635	$99,775
94703	Berkeley	Standard	20,934	$109,881
94704	Berkeley	Standard	23,788	$50,129
94705	Berkeley	Standard	13,991	$167,970
94706	Albany	Standard	19,969	$143,398
94707	Berkeley	Standard	12,811	$212,776
94708	Berkeley	Standard	11,947	$234,923
94709	Berkeley	Standard	12,146	$89,054
94710	Berkeley	Standard	8,380	$102,227
94712	Berkeley	PO Box only	–	–
94720	Berkeley	Unique	5,763	–

Cities and towns in Alameda County

Oakland 26 ZIPs
Berkeley 11 ZIPs
Hayward 7 ZIPs
Fremont 5 ZIPs
San Leandro 3 ZIPs
Alameda 2 ZIPs
Castro Valley 2 ZIPs
Emeryville 2 ZIPs
Livermore 2 ZIPs
Pleasanton 2 ZIPs
Albany 1 ZIP
Dublin 1 ZIP
Newark 1 ZIP
Piedmont 1 ZIP
San Lorenzo 1 ZIP
Sunol 1 ZIP
Union City 1 ZIP

Area codes in Alameda County

Questions

How many ZIP codes are in Alameda County, CA?: Alameda County has 69 ZIP codes, 49 of them standard ZIP codes for street addresses.
What cities are in Alameda County?: Alameda County ZIP codes cover Oakland, Berkeley, Hayward, Fremont, San Leandro, Alameda, Castro Valley and Emeryville and 9 other places.
What area code is Alameda County, CA?: Alameda County uses area codes 209, 341, 350, 408, 415, 510, 628, 650, 669 and 925.
What time zone is Alameda County in?: Alameda County is in Pacific Time.

Alameda County, California ZIP codes

All ZIP codes in Alameda County

Cities and towns in Alameda County

Area codes in Alameda County

Questions

Other California counties