How many zip codes does San Jose have?
San Jose, California has 38 active ZIP codes as of 2026, according to the United States Postal Service.
They run from 95101 through 95196 and cover neighborhoods like Downtown, Willow Glen, and Evergreen. The most crowded ZIP code is 95134 with over 50,000 residents, while 95193 mostly serves San Jose State University. For the full list, check the USPS ZIP Code Lookup tool.
How many zip codes are in Santa Clara County?
Santa Clara County, California contains 58 active ZIP codes as of 2026.
That includes codes for cities like San Jose, Sunnyvale, and Mountain View. ZIP codes 94085–94089 serve the high-tech corridor around Cupertino and Santa Clara. A handful of older codes have been retired, but the county’s total hasn’t changed since 2022. You can filter ZIP codes by city on the United States ZIP Codes website.
What city has the most zip codes?
Houston, Texas takes the crown with 178 ZIP codes, more than any other U.S. city as of 2026.
Its massive metro area stretches across multiple counties, creating a tangled web of postal zones. New York City follows with 154, and Chicago ranks third with 122. Houston’s ZIP codes run from 77001 to 77598, covering everything from Downtown to Katy. See the full ranking on the U.S. Census Gazetteer.
How many zip codes are in the Bay Area?
The San Francisco–Oakland–Hayward metro area contains 176 ZIP codes as of 2026.
That total covers nine counties, including San Francisco, Alameda, and San Mateo. ZIP codes like 94102 (Financial District) and 94025 (Menlo Park) sit at the heart of the region’s economy. To explore ZIP codes by county, use the Zip-Codes.com directory.
What is zip code in Pasay City?
Pasay City, Philippines uses 1300 as its primary ZIP code, assigned by the Philippine Postal Corporation.
Barangays 1 to 183 fall under this code, including areas like NAIA Airport and parts of EDSA. For barangay-specific codes, check the PhilPost ZIP Code directory.
What is Pleasanton CA ZIP code?
The main ZIP code for Pleasanton, California is 94566, covering the city center and most residential areas.
Outlying areas use 94588 (North Pleasanton) and 94542 (West Pleasanton). For a full list of ZIP codes and boundary maps, visit the City of Pleasanton website.
Is 11111 a valid ZIP Code?
11111 is not a valid ZIP code; it breaks USPS formatting rules for the first digit.
Valid ZIP codes starting with 111 include 11101 (Long Island City) and 11106 (Sunnyside). The USPS keeps 11111 for testing and never assigns it to real addresses. Confirm ZIP validity using the USPS ZIP Code Lookup.
Is 99999 a valid ZIP Code?
99999 is not a valid ZIP code; it’s beyond the highest assigned ZIP in the U.S.
The highest valid ZIP code is 99950 in Ketchikan, Alaska. ZIP codes run from 00501 to 99950, with 99999 reserved for internal USPS use. Check the range on the United States ZIP Codes site.
Is there a 00000 ZIP Code?
00000 is not an official ZIP code; it pops up in some datasets because of data entry errors or test records.
The USPS has never issued 00000. You might spot it in aggregated datasets when addresses are missing proper ZIP codes. Always verify ZIP codes via USPS lookup.
What are California zip codes?
California has over 2,600 active ZIP codes, more than any other U.S. state.
Top ZIP codes by population include 90011 (Los Angeles), 91331 (Los Angeles County), and 90650 (Norwalk). Rural areas use ZIPs like 93514 (Lone Pine). Search by city on the United States ZIP Codes page for California.
What’s the area code for the Bay Area?
The Bay Area uses area codes 415 and 628, along with 510 and 925 in surrounding counties.
Area code 415 covers San Francisco and parts of San Mateo County. Code 628 is an overlay that serves the same geographic region. For a full mapping, see the California Numbering Plan Administration.
How do I know what my zip code is?
Enter your full street address at tools.usps.com/zip-code-lookup.htm to find your ZIP code instantly.
You can also call 1-800-275-8777 or check your address label on mail delivered by USPS. For international addresses, use the postal service’s global lookup tool on their website.
Is ZIP code and postal code the same?
ZIP code and postal code do the same job but go by different names depending on the country.
ZIP code is a U.S.-specific term; most other countries use “postal code.” Canada uses “postal code,” the UK uses “postcode,” and Australia uses “postcode.” The International Standard ISO 3166 defines country codes for postal systems.
What is the zip code of Taguig City?
Taguig City, Philippines uses ZIP codes 1600–1634 depending on the barangay.
Common codes include 1634 (McKinley Hill), 1630 (New Lower Bicutan), and 1609 (Central Bicutan). For barangay-specific ZIP codes, consult the Philippine Postal Corporation.
What is Paranaque zip code?
Parañaque City, Philippines uses ZIP codes 1700–1715 by barangay.
The main hub uses 1700 (Parañaque CPO), while areas like BF Homes use 1701. For a complete barangay list, visit the PhilPost ZIP Code directory.
