Postal Code Finder
Registry / United States / Postal code prefixes / 20 /

United States postal codes starting with 20

Prefix 20 contains 577 ZIP code records across 178 mapped localities in United States.

Verified data profile for United States prefix 20

Based on 577 records, 577 ZIP code values and 178 mapped localities. Coordinate coverage is 100.0%.

577
Records
577
Postal identifiers
100.0%
Geocoded
20001
Example code
Postal code Locality Administrative path Coordinates
20001 Washington District of Columbia / District of Columbia 38.9122, -77.0177
20002 Washington District of Columbia / District of Columbia 38.9024, -76.9901
20003 Washington District of Columbia / District of Columbia 38.8829, -76.9895
20004 Washington District of Columbia / District of Columbia 38.893, -77.0263
20005 Washington District of Columbia / District of Columbia 38.9067, -77.0312
20006 Washington District of Columbia / District of Columbia 38.8964, -77.0447

Related postal lookups

United States
country · 41,489 records
All prefixes
code_index · 41,487 records
Prefix 28
code_prefix · 597 records
Prefix 62
code_prefix · 595 records
Prefix 48
code_prefix · 590 records
Prefix 32
code_prefix · 589 records
Prefix 15
code_prefix · 569 records
Prefix 49
code_prefix · 569 records
Prefix 12
code_prefix · 567 records
Prefix 72
code_prefix · 552 records

Postal data context

This page is backed by structured postal records, canonical hierarchy links and representative examples from the current database.

Records
577
Database rows represented by this canonical route.
Postal identifiers
577
Distinct postal code values in this route.
Localities
178
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Detected format
5 digits or ZIP+4
US ZIP Codes use five digits, with an optional ZIP+4 extension.
Example
20001
Sample code from Washington.
Code Place Hierarchy
20001 Washington District of Columbia / District of Columbia
20002 Washington District of Columbia / District of Columbia
20003 Washington District of Columbia / District of Columbia
20004 Washington District of Columbia / District of Columbia
20005 Washington District of Columbia / District of Columbia

Useful related pages

United States
country · 41,489 records
All prefixes
code_index · 41,487 records
Prefix 28
code_prefix · 597 records
Prefix 62
code_prefix · 595 records
Prefix 48
code_prefix · 590 records
Prefix 32
code_prefix · 589 records
Prefix 15
code_prefix · 569 records
Prefix 49
code_prefix · 569 records
Prefix 12
code_prefix · 567 records
Prefix 72
code_prefix · 552 records

Data questions

What does this ZIP code prefix cover?

This page lists representative records, localities and nearby ranges for the United States prefix 20 prefix.

Is the complete prefix dataset shown here?

The page keeps a bounded sample for fast crawling and points to the country export for complete coverage.

Related prefix ranges in United States

Compare this range with other active ZIP code prefixes from the same country-level directory.

28
597 codes across 439 localities.
62
595 codes across 540 localities.
48
590 codes across 381 localities.
32
589 codes across 274 localities.
15
569 codes across 476 localities.
49
569 codes across 500 localities.
12
567 codes across 492 localities.
72
552 codes across 466 localities.

Representative postal code examples

This page keeps a bounded sample for fast crawling and links each code to its canonical lookup page. Use the country export when you need the full prefix dataset.

Postal code Locality Region Coordinates
20001 Washington District of Columbia / District of Columbia 38.9122, -77.0177
20002 Washington District of Columbia / District of Columbia 38.9024, -76.9901
20003 Washington District of Columbia / District of Columbia 38.8829, -76.9895
20004 Washington District of Columbia / District of Columbia 38.893, -77.0263
20005 Washington District of Columbia / District of Columbia 38.9067, -77.0312
20006 Washington District of Columbia / District of Columbia 38.8964, -77.0447
20007 Washington District of Columbia / District of Columbia 38.9144, -77.074
20008 Washington District of Columbia / District of Columbia 38.9363, -77.0599
20009 Washington District of Columbia / District of Columbia 38.9202, -77.0375
20010 Washington District of Columbia / District of Columbia 38.9327, -77.0322
20011 Washington District of Columbia / District of Columbia 38.9518, -77.0203
20012 Washington District of Columbia / District of Columbia 38.9757, -77.0282
20013 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20015 Washington District of Columbia / District of Columbia 38.9658, -77.068
20016 Washington District of Columbia / District of Columbia 38.9381, -77.086
20017 Washington District of Columbia / District of Columbia 38.9367, -76.994
20018 Washington District of Columbia / District of Columbia 38.9277, -76.9762
20019 Washington District of Columbia / District of Columbia 38.8902, -76.9376
20020 Washington District of Columbia / District of Columbia 38.86, -76.9742
20022 Washington District of Columbia / District of Columbia 38.945, -77.0364
20024 Washington District of Columbia / District of Columbia 38.8759, -77.016
20026 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20027 Washington District of Columbia / District of Columbia 38.9007, -77.0501
20029 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20030 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20032 Washington District of Columbia / District of Columbia 38.8338, -76.9995
20033 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20035 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20036 Washington District of Columbia / District of Columbia 38.9087, -77.0414
20037 Washington District of Columbia / District of Columbia 38.9014, -77.0504
20038 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20039 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20040 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20041 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20042 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20043 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20044 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20045 Washington District of Columbia / District of Columbia 38.8966, -77.0319
20047 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20049 Washington District of Columbia / District of Columbia 38.8959, -77.021
20050 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20052 Washington District of Columbia / District of Columbia 38.9001, -77.0479
20053 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20055 Washington District of Columbia / District of Columbia 38.9016, -77.021
20056 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20057 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20058 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20059 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20060 Washington District of Columbia / District of Columbia 38.918, -77.0204
20061 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20062 Washington District of Columbia / District of Columbia 38.9, -77.0369
20063 Washington District of Columbia / District of Columbia 38.9053, -77.0466
20064 Washington District of Columbia / District of Columbia 38.9332, -76.9963
20065 Washington District of Columbia / District of Columbia 38.8834, -77.0282
20066 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20067 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20068 Washington District of Columbia / District of Columbia 38.8951, -77.0364
20069 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20070 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20071 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20073 Washington District of Columbia / District of Columbia 38.897, -77.0251
20074 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20075 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20076 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20077 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20078 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20080 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20081 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20082 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20090 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20091 Washington District of Columbia / District of Columbia 38.8933, -77.0146
20101 Dulles Virginia / Loudoun 39.0021, -77.4421
20102 Dulles Virginia / Loudoun 39.0853, -77.6452
20103 Dulles Virginia / Loudoun 38.9962, -77.45
20104 Dulles Virginia / Loudoun 39.0853, -77.6452
20105 Aldie Virginia / Loudoun 38.9577, -77.6038
20106 Amissville Virginia / Rappahannock 38.6842, -78.0168
20108 Manassas Virginia / Manassas (city) 38.7447, -77.4872
20109 Manassas Virginia / Manassas (city) 38.793, -77.5266
20110 Manassas Virginia / Manassas (city) 38.7492, -77.4878

Showing 80 representative records from 577 matching codes to keep the page fast and crawlable. Download the United States dataset for complete coverage.