What is Postal Code?

A postal code is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail. This unique code helps postal services to determine where the mail is being sent to.

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Select The Country Name then Region Name & Subregion Name & lastly The Subdivision Name (if there is any) to see Postal Code.



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ADAMS    17 Branches
ALEXANDER    7 Branches
BOND    7 Branches
BOONE    5 Branches
BROWN    3 Branches
BUREAU    24 Branches
CALHOUN    8 Branches
CARROLL    7 Branches
CASS    6 Branches
CHAMPAIGN    33 Branches
CHRISTIAN    13 Branches
CLARK    6 Branches
CLAY    6 Branches
CLINTON    13 Branches
COLES    7 Branches
COOK    213 Branches
CRAWFORD    8 Branches
CUMBERLAND    5 Branches
DE WITT    8 Branches
DEKALB    14 Branches
DOUGLAS    9 Branches
DUPAGE    53 Branches
EDGAR    8 Branches
EDWARDS    5 Branches
EFFINGHAM    10 Branches
FAYETTE    9 Branches
FORD    9 Branches
FRANKLIN    16 Branches
FULTON    20 Branches
GALLATIN    6 Branches
GREENE    10 Branches
GRUNDY    9 Branches
HAMILTON    5 Branches
HANCOCK    16 Branches
HARDIN    4 Branches
HENDERSON    8 Branches
HENRY    16 Branches
IROQUOIS    24 Branches
JACKSON    16 Branches
JASPER    7 Branches
JEFFERSON    12 Branches
JERSEY    8 Branches
JO DAVIESS    9 Branches
JOHNSON    10 Branches
KANE    29 Branches
KANKAKEE    16 Branches
KENDALL    8 Branches
KNOX    17 Branches
LAKE    33 Branches
LASALLE    24 Branches
LAWRENCE    4 Branches
LEE    14 Branches
LIVINGSTON    17 Branches
LOGAN    14 Branches
MACON    18 Branches
MACOUPIN    19 Branches
MADISON    28 Branches
MARION    11 Branches
MARSHALL    9 Branches
MASON    9 Branches
MASSAC    3 Branches
MCDONOUGH    11 Branches
MCHENRY    20 Branches
MCLEAN    32 Branches
MENARD    6 Branches
MERCER    12 Branches
MONROE    7 Branches
MONTGOMERY    16 Branches
MORGAN    11 Branches
MOULTRIE    5 Branches
OGLE    16 Branches
PEORIA    44 Branches
PERRY    5 Branches
PIATT    10 Branches
PIKE    15 Branches
POPE    3 Branches
PULASKI    9 Branches
PUTNAM    7 Branches
RANDOLPH    15 Branches
RICHLAND    6 Branches
ROCK ISLAND    21 Branches
SALINE    7 Branches
SANGAMON    54 Branches
SCHUYLER    6 Branches
SCOTT    4 Branches
SHELBY    13 Branches
ST. CLAIR    30 Branches
STARK    7 Branches
STEPHENSON    14 Branches
TAZEWELL    18 Branches
UNION    7 Branches
VERMILION    24 Branches
WABASH    5 Branches
WARREN    8 Branches
WASHINGTON    10 Branches
WAYNE    11 Branches
WHITE    10 Branches
WHITESIDE    12 Branches
WILL    33 Branches
WILLIAMSON    11 Branches
WINNEBAGO    28 Branches
WOODFORD    10 Branches

We found 1575 Postal codes available for UNITED STATES, ILLINOIS

General Information About Postal Code


What is Postal Code?

A postal code is a series of letters or digits or both, sometimes including spaces or punctuation, included in a postal address for the purpose of sorting mail. This unique code helps postal services to determine where the mail is being sent to.

Almost all the nations of the world use postal codes for sorting mails and though the systems and formats of the postal codes may vary but the common trait is to determine the particular address of the mail & this unique code make the postman's job a little easier.


What is the difference between zip code, pin code, postcode or postal code?

All these codes are essentially the same in their purpose. The difference is postal code is known locally in various terms. such as zip code is mainly used in USA, pin code is used in India, postcode is used in UK & Postal Code is commonly used in other countries.