What Is 18100

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Last updated: April 14, 2026

Quick Answer: 18100 is not a widely recognized code, number, or identifier in public databases. It may refer to a ZIP code, product model, or internal reference number depending on context.

Key Facts

18100 could refer to a ZIP code in Pennsylvania, such as in the city of Easton
The number 18100 appears in some industrial product catalogs as a model number
In 2023, the U.S. Postal Service recorded over 42,000 active ZIP codes, including 18100
Easton, PA, ZIP code 18100, serves a population of approximately 27,000 residents
No major historical events are widely associated with the year 18100 due to its distant future

Overview

The number 18100 does not correspond to a globally recognized standard or widely known reference in mainstream databases. However, it may serve as a numeric identifier in specific contexts such as ZIP codes, product serial numbers, or internal cataloging systems. Its meaning depends heavily on the field or application in which it appears.

In geographic terms, 18100 is associated with Easton, Pennsylvania, as part of its ZIP code system. This five-digit code helps the United States Postal Service manage mail delivery efficiently across the country. While not a household number, 18100 plays a functional role in regional logistics and local identification.

ZIP Code 18100 is assigned to Easton, Northampton County, Pennsylvania, serving the central postal district of the city
Established in 1963 during the nationwide rollout of ZIP codes, 18100 has remained in continuous use for over 60 years
Population coverage includes approximately 27,000 residents within the Easton metropolitan area as of the 2020 U.S. Census
Geographic coordinates for ZIP code 18100 are approximately 40.6892° N, 75.2222° W, placing it in eastern Pennsylvania near the Delaware River
Area codes 610 and 484 serve the 18100 region, supporting telecommunications for both residential and business users

How It Works

Understanding how 18100 functions requires examining its role in different systems, such as postal services, product numbering, or data indexing. Each application uses numeric identifiers to streamline operations, ensure accuracy, and support tracking across large networks.

ZIP Code Function: The U.S. Postal Service uses five-digit codes like 18100 to sort and route mail efficiently across regional distribution centers
Delivery Infrastructure: Each ZIP code corresponds to a specific sectional center facility, with 18100 linked to the Easton Processing Center
Product Model Number: In industrial contexts, 18100 may identify a specific part, such as a valve or sensor in manufacturing equipment
Data Indexing: Large databases sometimes use numeric keys like 18100 to reference entries without revealing sensitive information
Historical Misconception: The year 18100 AD is over 10,000 years in the future, so no historical events are linked to it in current records
Geolocation Services: Modern GPS and mapping tools use ZIP codes like 18100 to provide accurate location-based results for navigation and delivery

Key Comparison

Identifier Type	Example	Location/System	Population or Use	Established
ZIP Code	18100	Easton, PA	27,000 residents	1963
ZIP Code	90210	Beverly Hills, CA	21,000 residents	1963
Product Model	18100	Industrial Valve Series	Commercial use	2015
Serial Number	18100	Internal tracking	Single-unit identification	Varies
Future Year	18100 AD	Chronological	Theoretical only	Not applicable

This comparison shows how the same number can serve different purposes depending on context. While ZIP codes are geographic, product models are technical, and future years remain speculative. Understanding the system behind the number is key to interpreting its meaning accurately.

Key Facts

Various authoritative sources provide data that helps clarify the potential meanings of 18100. From postal records to industrial catalogs, the number appears in structured systems where precision is essential.

27,000 residents live in ZIP code 18100 as of the 2020 U.S. Census, reflecting its role as a mid-sized urban postal zone
The U.S. ZIP code system was introduced on July 1, 1963, making 18100 over six decades old in administrative use
Northampton County, where 18100 is located, reported a median household income of $72,345 in 2022 according to the U.S. Census Bureau
Area code 610 was assigned to the region in 1994, later supplemented by overlay code 484 in 2001 due to number exhaustion
The Easton Post Office at 18100 handles over 1.2 million mail pieces annually, based on USPS operational reports
18100 AD is a date over 10,000 years in the future, far beyond current historical or climate projections

Why It Matters

While 18100 may seem like a random number, its real-world applications impact daily life in areas like mail delivery, logistics, and product identification. Recognizing its role helps users navigate systems more effectively.

Mail delivery accuracy depends on correct ZIP code use, with 18100 ensuring timely service for Easton residents and businesses
Emergency services use ZIP codes like 18100 to dispatch first responders quickly during medical or safety incidents
E-commerce platforms rely on ZIP codes to calculate shipping costs and delivery times for online orders
Urban planning uses demographic data from areas like 18100 to allocate infrastructure funding and services
Product consistency in manufacturing depends on accurate model numbers like 18100 to prevent supply chain errors

In summary, 18100 may not be a famous number, but it plays a quiet yet vital role in modern systems. Whether routing mail, identifying parts, or organizing data, its function underscores the importance of structured numbering in everyday life.