Is 94546 the correct postal code for Castro Valley?

Yes, 94546 is the verified postal code for Castro Valley, California, United States. Always use this code when sending mail or packages to this location.

How many postal codes does Castro Valley have?

Castro Valley area has 5 postal code(s). The primary postal code is 94546.

What is the postal code format for Castro Valley?

The postal code Castro Valley for 94546 follows the format 'NNNNN or NNNNN-NNNN' and consists of 5 characters.

Where exactly is Castro Valley located?

Castro Valley is located in California, United States at coordinates 37.69410000° latitude and -122.08635000° longitude.

How do I address mail to Castro Valley?

When addressing mail to Castro Valley, include the postal code 94546, the district name 'Castro Valley', city 'California', and country 'United States' (US).

What is the country code for sending mail to Castro Valley?

Use country code 'US' and postal code 94546 when sending international mail to Castro Valley, California, United States.

Can I track packages sent to Castro Valley with postal code 94546?

Yes, packages sent to Castro Valley with postal code 94546 can be tracked using the tracking number provided by your shipping carrier.

What phone code should I use to call Castro Valley?

To call Castro Valley from abroad, dial +1 followed by the local number. The international country code for United States is US.

Is Castro Valley a safe area in California?

Castro Valley is an established area in California, United States. For specific safety information, please consult local resources and travel advisories.

Postal Codes of Castro Valley, California, United States

Country

United States

Location

Castro Valley

Postal Code

94546

What is Castro Valley (United States) postal/zip code?

The postal code for Castro Valley is 94546. Postal codes in Castro Valley consist of 5 characters following the format NNNNN or NNNNN-NNNN. Castro Valley is located in California, United States, and is part of the Northern America region. This postal code is essential for accurate mail delivery, online shopping, and official documentation. Whether you're sending a package, filling out a form, or verifying an address, using the correct postal code ensures your mail reaches its destination without delays. You can scan the QR code on the right to quickly save or share the complete address information for Castro Valley.

Scan Address

How to Address Mail to Castro Valley

Standard Address Format (click to edit)

RecipientJohn Doe

Street123 Example Street

DistrictCastro Valley

City & Postal94546 California

CountryUNITED STATES

Addressing Tips for United States - Castro Valley

Postal code format: NNNNN or NNNNN-NNNN
Write postal code before the city name
Country name in UPPERCASE on last line
Include district name for faster delivery
ISO country code: US

Shipping to Castro Valley, United States

🇺🇸

Domestic Delivery

1-5 days

Within United States

International

7-21 days

Varies by origin

Customs Threshold

Duty-free limit

Local Carriers in Castro Valley

USPS UPS FedEx

Castro Valley: International Carriers

DHL FedEx UPS

Shipping Tips (Castro Valley)

Always include postal code 94546 for faster delivery
Items above $0 may incur customs duties
Track your package using the carrier's tracking number
Consider insurance for valuable shipments

Castro Valley United States Location Information

Region Americas
Subregion Northern America
State California
Phone Code +1
Currency USD
Coordinates 37.6941, -122.0864

This page provides information on postal codes and administrative divisions in Castro Valley, California. We also provide a corresponding map on which you can view the exact location. California has 1123 districts. The currency used in Castro Valley is United States Dollar (USD) and to make a call to this area you must first dial +1. Castro Valley is located in the Americas subregion of Northern America. You can check the current local time in Castro Valley before making a call.

5 Postal Codes in Castro Valley

Area	State	Place	Postal Code
Castro Valley	California	Castro Valley	94546
Castro Valley	California	Hayward	94541
Castro Valley	California	Hayward	94543
Castro Valley	California	San Leandro	94578
Castro Valley	California	San Lorenzo	94580

Castro Valley is located in California, United States. Known as the ZIP Code. The postal codes listed above cover all areas within Castro Valley.

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Frequently Asked Questions

The postal code of Castro Valley, California, United States is 94546. This 5-character code follows the format NNNNN or NNNNN-NNNN.

Castro Valley has approximately 5 postal codes covering different areas and neighborhoods within the district.

Castro Valley is located in California, United States. It is part of the Americas region and Northern America subregion. The coordinates are 37.69410000, -122.08635000.

To call Castro Valley, United States, you need to dial the international code +1 followed by the local number.

The currency used in Castro Valley, United States is United States Dollar (USD). The currency symbol is $.

The nearest major city to Castro Valley is California, approximately 0 km away.

You can verify Castro Valley postal codes on PostalZipCode.co. Enter the postal code in the search bar to see its location, district, and city details.

Nearby Locations

City	State	Distance	Latitude	Longitude
Ashland	California	2 km	37.695	-122.114
Cherryland	California	2 km	37.679	-122.103
Hayward	California	3 km	37.669	-122.081
Fairview	California	4 km	37.679	-122.046
San Lorenzo	California	4 km	37.681	-122.124
San Leandro	California	7 km	37.725	-122.156
Union City	California	12 km	37.596	-122.019
Dublin	California	13 km	37.702	-121.936
San Ramon	California	13 km	37.78	-121.978
Alameda	California	16 km	37.765	-122.242

Other United States in States

State	Distance	Latitude	Longitude
Nevada	510 km	38.803	-116.419
Oregon	691 km	43.804	-120.554
Idaho	939 km	44.068	-114.742
Utah	973 km	39.321	-111.094
Arizona	1,069 km	34.049	-111.094

Castro Valley in Other Languages

Postal Codes by Country

Country	Distance	Latitude	Longitude
Mexico	2,517 km	23	-102
Canada	3,129 km	60	-95
Belize	3,963 km	17.25	-88.75
Guatemala	3,979 km	15.5	-90.25
El Salvador	4,211 km	13.833	-88.917