Address: PO BOX 21021 (From 21021 To 21154) , DENVER, CO 80221-0021, USA
What's 80221-0021? 80221-0021 is a ZIP Code 5 Plus 4 number of PO BOX 21021 (From 21021 To 21154) , DENVER, CO, USA. Below is detail information.
80221-0021 Basic Information

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ZIP Code 5 Plus 4:
80221-0021 -
ZIP Code 5:
80221 -
Plus 4?00214-digits that are used to identify a geographic segment within the 5-digit delivery area, such as a city block or a group of apartments or an individual high-volume receiver of mail, or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery. This code is the low end of the range of +4 Codes that pertain to this ZIP Code. ZIP+4 Codes associated with nondelivery areas are composed of valid ZIP sector numbers and "ND" for the ZIP segment number, for example 12345-12ND. Non-deliverable areas are areas to which the USPS does not deliver mail, such as vacant lots and land that borders railroad tracks. Mailers should not match an address identified as a nondelivery area. If you absolutely must have numeric characters in the Plus4Code column, you may treat "ND" values as "00" (zero zero).:
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Country:
U.S. - United States -
State:
CO - Colorado -
County:
CountyFIPS: 08001 - Adams County -
City:
DENVER -
Street?PO BOXThe official name of a street as assigned by a local governing authority. The Street Name column contains only the street name and does not include directionals (EAST, WEST, etc.) or suffixes (ST, DR, BLVD, etc.). This element may also contain literals, such as PO BOX, GENERAL DELIVERY, USS, PSC, or UNIT. Numeric street names that have numeric components that are four characters (or less) in length at are justified such that the low-order digit of the number is positioned in the fourth position of the street name column. This shift is made so that the numeric street names appear in numeric sequence.:
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Record Type?P: PO boxAn alphabetic value that identifies the type of data in the record. Record type codes include the following: G = General delivery H = Highrise F = Firm S = Street P = PO box R = Rural route/highway contract:
Address

- Address Primary Low Number?
A house, rural route, highway contract box, or post office box number; the numeric or alphanumeric component of an address preceding the street name; the low-end address in a range of addresses. Often referred to as house number.: 21021
- Address Primary High Number?
A house, rural route, contract box, or Post Office box number. The numeric or alphanumeric component of an address preceding the street name. The high-end address in a range of addresses. Often referred to as house number.: 21154
- Address Primary Odd / Even Code?
Code that identifies the side or sides of a street for which a given address range is applicable. For street, highrise, firm and multi-carrier records, B = Both sides of a street, E = Even side of a street (even-numbered addresses in the range); O = Odd side of a street (odd-numbered addresses in the range). For general delivery, post office box, and rural route/highway contract records, this code will always be "B" (both).: Both of Odd and Even
- Primary Range: 21021, 21022, 21023, 21024, 21025, 21026, 21027, 21028, 21029, 21030, 21031, 21032, 21033, 21034, 21035, 21036, 21037, 21038, 21039, 21040, 21041, 21042, 21043, 21044, 21045, 21046, 21047, 21048, 21049, 21050, 21051, 21052, 21053, 21054, 21055, 21056, 21057, 21058, 21059, 21060, 21061, 21062, 21063, 21064, 21065, 21066, 21067, 21068, 21069, 21070, 21071, 21072, 21073, 21074, 21075, 21076, 21077, 21078, 21079, 21080, 21081, 21082, 21083, 21084, 21085, 21086, 21087, 21088, 21089, 21090, 21091, 21092, 21093, 21094, 21095, 21096, 21097, 21098, 21099, 21100, 21101, 21102, 21103, 21104, 21105, 21106, 21107, 21108, 21109, 21110, 21111, 21112, 21113, 21114, 21115, 21116, 21117, 21118, 21119, 21120, 21121, 21122, 21123, 21124, 21125, 21126, 21127, 21128, 21129, 21130, 21131, 21132, 21133, 21134, 21135, 21136, 21137, 21138, 21139, 21140, 21141, 21142, 21143, 21144, 21145, 21146, 21147, 21148, 21149, 21150, 21151, 21152, 21153, 21154.
Please click the "More Address Examples" to view the whole list and the relationship between PO BOX number and last 4-digit of nine ZIP Code.
A PO BOX number can be less than or more than four digit. For post office boxes, the general rule is that each box has its own ZIP+4 code.
The last four digit is often one of the following:
1. Zero plus the last three digits of the box number (eg. PO BOX 1001, Los Angeles CA 90001-0001).
2. The last four digits of the box number (eg. PO BOX 9991, Twin Peaks CA 92391-9991).
3. If the box number is less than four digits, enough zeros prepended to the front of the box number to produce a four-digit number(eg. PO BOX 1, Shreveport LA 71161-0001).
However, there is no uniform rule, the zip code plus four is for reference only, the ZIP+4 code must be looked up individually for each box in the USPS offical website.
PO BOX 21021, DENVER, CO 80221-0021
PO BOX 21022, DENVER, CO 80221-0022
PO BOX 21023, DENVER, CO 80221-0023
PO BOX 21024, DENVER, CO 80221-0024
PO BOX 21025, DENVER, CO 80221-0025
PO BOX 21026, DENVER, CO 80221-0026
PO BOX 21027, DENVER, CO 80221-0027
PO BOX 21028, DENVER, CO 80221-0028
PO BOX 21029, DENVER, CO 80221-0029
PO BOX 21030, DENVER, CO 80221-0030
PO BOX 21031, DENVER, CO 80221-0031
PO BOX 21032, DENVER, CO 80221-0032
PO BOX 21033, DENVER, CO 80221-0033
PO BOX 21034, DENVER, CO 80221-0034
PO BOX 21035, DENVER, CO 80221-0035
PO BOX 21036, DENVER, CO 80221-0036
PO BOX 21037, DENVER, CO 80221-0037
PO BOX 21038, DENVER, CO 80221-0038
PO BOX 21039, DENVER, CO 80221-0039
PO BOX 21040, DENVER, CO 80221-0040
PO BOX 21041, DENVER, CO 80221-0041
PO BOX 21042, DENVER, CO 80221-0042
PO BOX 21043, DENVER, CO 80221-0043
PO BOX 21044, DENVER, CO 80221-0044
PO BOX 21045, DENVER, CO 80221-0045
PO BOX 21046, DENVER, CO 80221-0046
PO BOX 21047, DENVER, CO 80221-0047
PO BOX 21048, DENVER, CO 80221-0048
PO BOX 21049, DENVER, CO 80221-0049
PO BOX 21050, DENVER, CO 80221-0050
PO BOX 21051, DENVER, CO 80221-0051
PO BOX 21052, DENVER, CO 80221-0052
PO BOX 21053, DENVER, CO 80221-0053
PO BOX 21054, DENVER, CO 80221-0054
PO BOX 21055, DENVER, CO 80221-0055
PO BOX 21056, DENVER, CO 80221-0056
PO BOX 21057, DENVER, CO 80221-0057
PO BOX 21058, DENVER, CO 80221-0058
PO BOX 21059, DENVER, CO 80221-0059
PO BOX 21060, DENVER, CO 80221-0060
PO BOX 21061, DENVER, CO 80221-0061
PO BOX 21062, DENVER, CO 80221-0062
PO BOX 21063, DENVER, CO 80221-0063
PO BOX 21064, DENVER, CO 80221-0064
PO BOX 21065, DENVER, CO 80221-0065
PO BOX 21066, DENVER, CO 80221-0066
PO BOX 21067, DENVER, CO 80221-0067
PO BOX 21068, DENVER, CO 80221-0068
PO BOX 21069, DENVER, CO 80221-0069
PO BOX 21070, DENVER, CO 80221-0070
PO BOX 21071, DENVER, CO 80221-0071
PO BOX 21072, DENVER, CO 80221-0072
PO BOX 21073, DENVER, CO 80221-0073
PO BOX 21074, DENVER, CO 80221-0074
PO BOX 21075, DENVER, CO 80221-0075
PO BOX 21076, DENVER, CO 80221-0076
PO BOX 21077, DENVER, CO 80221-0077
PO BOX 21078, DENVER, CO 80221-0078
PO BOX 21079, DENVER, CO 80221-0079
PO BOX 21080, DENVER, CO 80221-0080
PO BOX 21081, DENVER, CO 80221-0081
PO BOX 21082, DENVER, CO 80221-0082
PO BOX 21083, DENVER, CO 80221-0083
PO BOX 21084, DENVER, CO 80221-0084
PO BOX 21085, DENVER, CO 80221-0085
PO BOX 21086, DENVER, CO 80221-0086
PO BOX 21087, DENVER, CO 80221-0087
PO BOX 21088, DENVER, CO 80221-0088
PO BOX 21089, DENVER, CO 80221-0089
PO BOX 21090, DENVER, CO 80221-0090
PO BOX 21091, DENVER, CO 80221-0091
PO BOX 21092, DENVER, CO 80221-0092
PO BOX 21093, DENVER, CO 80221-0093
PO BOX 21094, DENVER, CO 80221-0094
PO BOX 21095, DENVER, CO 80221-0095
PO BOX 21096, DENVER, CO 80221-0096
PO BOX 21097, DENVER, CO 80221-0097
PO BOX 21098, DENVER, CO 80221-0098
PO BOX 21099, DENVER, CO 80221-0099
PO BOX 21100, DENVER, CO 80221-0100
PO BOX 21101, DENVER, CO 80221-0101
PO BOX 21102, DENVER, CO 80221-0102
PO BOX 21103, DENVER, CO 80221-0103
PO BOX 21104, DENVER, CO 80221-0104
PO BOX 21105, DENVER, CO 80221-0105
PO BOX 21106, DENVER, CO 80221-0106
PO BOX 21107, DENVER, CO 80221-0107
PO BOX 21108, DENVER, CO 80221-0108
PO BOX 21109, DENVER, CO 80221-0109
PO BOX 21110, DENVER, CO 80221-0110
PO BOX 21111, DENVER, CO 80221-0111
PO BOX 21112, DENVER, CO 80221-0112
PO BOX 21113, DENVER, CO 80221-0113
PO BOX 21114, DENVER, CO 80221-0114
PO BOX 21115, DENVER, CO 80221-0115
PO BOX 21116, DENVER, CO 80221-0116
PO BOX 21117, DENVER, CO 80221-0117
PO BOX 21118, DENVER, CO 80221-0118
PO BOX 21119, DENVER, CO 80221-0119
PO BOX 21120, DENVER, CO 80221-0120
PO BOX 21121, DENVER, CO 80221-0121
PO BOX 21122, DENVER, CO 80221-0122
PO BOX 21123, DENVER, CO 80221-0123
PO BOX 21124, DENVER, CO 80221-0124
PO BOX 21125, DENVER, CO 80221-0125
PO BOX 21126, DENVER, CO 80221-0126
PO BOX 21127, DENVER, CO 80221-0127
PO BOX 21128, DENVER, CO 80221-0128
PO BOX 21129, DENVER, CO 80221-0129
PO BOX 21130, DENVER, CO 80221-0130
PO BOX 21131, DENVER, CO 80221-0131
PO BOX 21132, DENVER, CO 80221-0132
PO BOX 21133, DENVER, CO 80221-0133
PO BOX 21134, DENVER, CO 80221-0134
PO BOX 21135, DENVER, CO 80221-0135
PO BOX 21136, DENVER, CO 80221-0136
PO BOX 21137, DENVER, CO 80221-0137
PO BOX 21138, DENVER, CO 80221-0138
PO BOX 21139, DENVER, CO 80221-0139
PO BOX 21140, DENVER, CO 80221-0140
PO BOX 21141, DENVER, CO 80221-0141
PO BOX 21142, DENVER, CO 80221-0142
PO BOX 21143, DENVER, CO 80221-0143
PO BOX 21144, DENVER, CO 80221-0144
PO BOX 21145, DENVER, CO 80221-0145
PO BOX 21146, DENVER, CO 80221-0146
PO BOX 21147, DENVER, CO 80221-0147
PO BOX 21148, DENVER, CO 80221-0148
PO BOX 21149, DENVER, CO 80221-0149
PO BOX 21150, DENVER, CO 80221-0150
PO BOX 21151, DENVER, CO 80221-0151
PO BOX 21152, DENVER, CO 80221-0152
PO BOX 21153, DENVER, CO 80221-0153
PO BOX 21154, DENVER, CO 80221-0154
Address Example

DENVER CO 80221-0021
UNITED STATES OF AMERICA
Envelope Example

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This is an example of U.S envelope. Fill in the sender's information at the top left and the recipient information at the bottom right. The necessary information is sender/recipient's full name, street address, city, state and zip code. The recipient address information has been given for your reference. Generally, If you are not sure of the full 9-digit zip code, you can only fill in the 5-digit zip code to avoid loss of package.
80221-0021 Basic Meaning

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What does each digit of ZIP Code 80221-0021 stands for? ZIP+4 Code consists of two parts, the first five digits can be located to the post office, and the last four digits can identify a geographic segment within the five-digit delivery area. The 6-7 digits designate sector or several blocks, and the 8-9 digits designate segment or one side of a street.
- ·Carrier Route ID?
A 4-digit code assigned to a mail delivery or collection route within a 5-digit ZIP Code. The first character of this identification is alphabetical, and the last three are numeric: Bnnn = PO box Hnnn = Highway contract Rnnn = Rural route Cnnn = City delivery Gnnn = General delivery: B001 (PO box)
- ·ZIP Add-On Low Sector?
The ZIP Add-On Low Sector and the ZIP Add-On Low Segment together form the ZIP Add-On Low Number. The ZIP Add-On Low Number is the last four positions of a ZIP+4 code; the low-end ZIP add-on in a range of codes; the add-on of the first ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. For example, most delivery addresses are assigned a single ZIP+4 code. However, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes.: 00
- ·ZIP Add-On Low Segment?
The ZIP Add-On Low Sector and the ZIP Add-On Low Segment together form the ZIP Add-On Low Number. The ZIP Add-On Low Number is the last four positions of a ZIP+4 code; the low-end ZIP add-on in a range of codes; the add-on of the first ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. For example, most delivery addresses are assigned a single ZIP+4 code. However, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes.: 21
- ·ZIP Add-On High Sector?
The ZIP Add-On High Sector and the ZIP Add-On High Segment together form the ZIP Add-On High Number, which is the high-end ZIP add-on in a range of codes; the add-on of the last ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. Most delivery addresses are assigned a single ZIP+4 code; however, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes. (See also ZIP Add-On Code.): 01
- ·ZIP Add-On High Segment?
The ZIP Add-On High Sector and the ZIP Add-On High Segment together form the ZIP Add-On High Number, which is the high-end ZIP add-on in a range of codes; the add-on of the last ZIP+4 code in a consecutive series of ZIP+4 codes assigned to the delivery address. Most delivery addresses are assigned a single ZIP+4 code; however, large companies may be given a range of ZIP+4 codes that can be used to route mail to specific departments. A range of ZIP+4 codes can also be assigned to a corresponding range of post office boxes, and each box is mapped, one-to-one, with a ZIP+4 code in the range. A single post office box can also be assigned a range of ZIP+4 codes. (See also ZIP Add-On Code.): 54
- ·ZIP Code Add On: 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154.
- ·Range?
The range of +4 codes. Summing the +4 Code and the +4 Range will give you the high end of the range of +4 Codes that pertain to this ZIP Code.: 133
- ·Base Alternate Code?
Code that specifies whether a record is a base (preferred) or alternate record. Base records (represented as "B") can represent a range of addresses or an individual address, such as a firm record, while alternate records (represented as "A") are individual delivery points. Government deliveries will only be listed on alternate records with the appropriate government building indicator (federal, state, or city) set.: Base
- ·Finance Number?
A code assigned to Postal Service facilities (primarily post offices) to collect cost and statistical data and compile revenue and expense data. The state number comprises the first two positions of the finance number.: 072358
- ·Congressional District Number?
A standard value identifying a geographic area within the United States served by a member of the US House of Representatives or Senate. If Army/Air Force (APO) or fleet post office (FPO), this column will be blank. If there is only one member of Congress within a state, the code will be "AL" (at large).: 01
- ·Preferred Last Line City State Key?
An index to the City State file that provides the preferred last-line name for this address range.: Z11306
Address: PO BOX 21021 (From 21021 To 21154) , DENVER, CO 80221-0021, USA
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