United States ZIP Code
City: Longmont, CO
This is the Longmont page. Longmont is a city name used by many places from different states. You can find more information about each place below. The city name is designated by USPS, it could be a city, town,village school name, etc.
Basic Information
Longmont - ZIP Code
What is the zip code of Longmont, United States? Below is the zipcode list of Longmont.
| ZIP Code | State | City Name | City Type ?In many cases, a ZIP Code can have multiple "names", meaning cities, towns, or subdivisions, in its boundaries. However, it will ALWAYS have exactly 1 "default" name. D - Default - This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well. A - Acceptable - This name can be used for mailing purposes. Often times alternative names are large neighborhoods or sections of the city/town. In some cases a ZIP Code may have several "acceptable" names which is used to group towns under one ZIP Code. N - Not Acceptable - A "not acceptable" name is, in many cases, a nickname that residents give that location. According to the USPS, you should NOT send mail to that ZIP Code using the "not acceptable" name when mailing. | County |
|---|---|---|---|---|
| 80501 | CO | Longmont | D (Default) | Boulder |
| 80502 | CO | Longmont | D (Default) | Boulder |
| 80503 | CO | Longmont | D (Default) | Boulder |
| 80504 | CO | Longmont | D (Default) | Weld |
❓What does D (Default) mean? This is the "preferred" name - by the USPS - for a city. Each ZIP Code has one - and only one - "default" name. In most cases, this is what people who live in that area call the city as well.
Population
This is the population data of Longmont in 2010 and 2020.
- City Name: Longmont
- State: Colorado
- Population 2020: 99,381
- Population 2010: 86,424
Museum
This is the Longmont - Museum page list. Its detail Museum Name, Street, State, ZIP Code, Phone is as below.
| Name | Street | City | State | ZIP Code | Phone |
| DOUGHERTY MUSEUM | 8306 N 107TH ST | LONGMONT | CO | 80504 | (303) 776-2520 |
| ST VRAIN HISTORICAL SOCIETY | PO BOX 705 | LONGMONT | CO | 80502-0705 | (303) 776-1870 |
| BOULDER VALLEY RAILWAY HISTORICAL SOCIETY | 2050 FALCON DR | LONGMONT | CO | 80503 | |
| UNITED STATES CANINE MEMORIAL AND MUSEUM | 1100 E 17TH AVE I-301 | LONGMONT | CO | 80504-3745 | |
| HISTORIC HIGHLANDLAKE | 1715 IRONHORSE DR SUITE 210 | LONGMONT | CO | 80501 | (970) 535-4936 |
| LONGMONT MUSEUM | 400 QUAIL RD | LONGMONT | CO | 80501-8989 | (303) 651-8374 |
| BOULDER COUNTY BUSINESS HALL OF FAME | PO BOX 2081 | LONGMONT | CO | 80502-2081 | (270) 726-8179 |
Library
This is the Longmont - Library page list. Its detail Library Name, Address, State, ZIP Code, Phone is as below.
| Name | Address | City | State | ZIP Code | Phone |
| LONGMONT PL | 409 4TH AVE | LONGMONT | CO | 80501 | (303) 651-8470 |
| LONGMONT PUBLIC LIBRARY | 409 4TH AVE | LONGMONT | CO | 80501 | (303) 651-8470 |
School
This is the Longmont - School page list. Its detail School Name, Address, State, ZIP Code is as below.
Envelope Example
This is an example of a US zip envelope. You can use a 5-digit zipcode or a detailed 9-digit zipcode to copy the mail in the following address format.
For more explanation, please read the official document: USA.pdf . (English)
Online Map
This is online map of the address Longmont, Colorado, United States. You may use button to move and zoom in / out. The map information is for reference only.
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