Using state abbreviations when entering a physical address for purposes such as sending packages, cards, or documents is a requirement. When ordering things or looking up addresses online, if you live in Idaho, or are searching for something in the state, knowing what the Idaho state abbreviation is will come in handy.

It is important to not confuse a two letter postal abbreviation with a postal code, or zip code when filling out mailing addresses. Although they are part of the address, zip and postal codes are a different thing entirely.

ID State Abbreviation

The United States is made up of 50 states, all with their own unique two-letter state abbreviations; remembering all of them can be tough, especially since a lot of states have similar lettering in their names.

Here’s all you need to know when it comes to the Idaho state abbreviation. The Idaho state abbreviation is relatively simple and easy to remember, it is made up of the first two letters of the state‘s name, “ID”.

ID State Abbreviation

Not only are there just two letter abbreviations for all 50 states, but there’s also an abbreviation for each state. The traditional abbreviations to states’ names came out in 1963, but many were three to four letters in length and it was decided they would be too long to include on envelopes and packages as addressing equipment couldn’t accommodate these longer state abbreviations along with each states’ zip code too.

The Gem State doesn’t actually have an old abbreviation, people would just refer to the state as “Idaho“, or more recently, ID. So, unlike most other states, Idaho doesn’t have a traditional abbreviation.

People use state abbreviations all the time in everyday life and business, it is important to understand the unique two-letter abbreviation representing each state in the U.S. as the probability of you needing to remember it is very high.

United States State Abbreviations List

Check out our United States abbreviations list where you can see not just the Arizona postal abbreviation, but each state‘s unique two letter abbreviations and regular abbreviations.

US StatesUS State InitialsAbbreviations
AlabamaALAla.
AlaskaAKAlaska.
ArizonaAZAriz.
ArkansasARArk.
CaliforniaCACalif.
ColoradoCOColo.
ConnecticutCTConn.
DelawareDEDel.
FloridaFLFla.
GeorgiaGAGa.
HawaiiHIHawaii
IdahoIDIdaho
IllinoisILIll.
IndianaINInd.
IowaIAIowa
KansasKSKans.
KentuckyKYKy.
LouisianaLALa.
MaineMEMaine
MarylandMDMd.
MassachusettsMAMass.
MichiganMIMich.
MinnesotaMNMinn.
MississippiMSMiss.
MissouriMOMo.
MontanaMTMont.
NebraskaNENebr.
NevadaNVNev.
New HampshireNHN.H.
New JerseyNJN.J.
New MexicoNMN.M.
New YorkNYN.Y.
North CarolinaNCN.C
North DakotaNDN.D.
OhioOHOhio
OklahomaOKOkla.
OregonOROre.
PennsylvaniaPAPa.
Rhode IslandRIR.I.
South CarolinaSCS.C.
South DakotaSDS.D.
TennesseeTNTenn.
TexasTXTex.
UtahUTUtah
VermontVTVt.
VirginiaVAVa.
WashingtonWAWash.
West VirginiaWVW.Va
WisconsinWIWis.
WyomingWYWyo.