c/o vs c.o.

Both "c/o" and "c.o." are correct and commonly used abbreviations in English. They stand for "care of" and are used to indicate that a letter or package is to be delivered to someone at the address provided. The choice between the two abbreviations is a matter of personal preference or house style.

Last updated: March 30, 2024 • 913 views

c/o

This is a correct and commonly used abbreviation in English.

It stands for "care of" and is used to indicate that a letter or package is to be delivered to someone at the address provided.

Examples:

Please send the package c/o John Smith.
The letter was addressed c/o the company's headquarters.

Show examples from the web [+]

Address: Vaduz, Liechtenstein (formerly c/o Asat Trust reg.).
This Decision is addressed to Cargill Incorporated, c/o Cerestar, Havenstraat 84, B-1800 Vilvoorde.
To Mr Leon Trotsky, c/o General Delivery...
address of other plant: c/o IMA srl (Industria Meridionale Alcolici), Via Isolella 1, I-91100 Trapani
Defendants: Ufficio Centrale Circoscrizionale c/o Tribunale di Catania and Others
Postal address: c/o Ministry of Agriculture, P.O. Box 10-9010, 1000 Monrovia, Liberia
Address: Zona industriale Macomer c/o Consorzio Latte, 08015 Macomer NU, ITALIA
Address: | Via F.lli Bandiera, 16 - c/o Consorzio di Bonifica della Baraggia Biellese e Vercellese - I-13100 Vercelli |
Address: Livestock Strategy Division, 9 Millbank (Area 5B), c/o Nobel House, 17 Smith Square, London SW1P 3JR, United Kingdom Attention: Roger J Walsh |
The candidatures should be sent to the President of the Parliament, c/o the Deputy Secretary-General, Mr Rmer (LOW T12008)
c/o Hafiz Darya Shipping Company, No. 60, Ehteshamiyeh Square, 7th Neyestan Street, Pasdaran Avenue, Tehran, Iran;
Bank Al Taqwa Limited (aka Al Taqwa Bank) (aka Bank Al Taqwa), PO Box N-4877, Nassau, Bahamas; c/o Arthur D. Hanna & Company, 10, Deveaux Street, Nassau, Bahamas.
c/o Reconnaissance General Bureau Headquarters, Hyongjesan-Guyok, Pyongyang, North Korea, (b) Nungrado, Pyongyang, DPRK.
'Nada International Anstalt. Address: Vaduz, Liechtenstein (formerly c/o Asat Trust reg.). Other information: Liquidated and deleted from Commercial Registry. Date of designation referred to in Article 2a (4) (b): 3.9.2002.'
Address: (a) Storvretsvagen 92, 7 TR. C/O Drioua, 142 31 Skogas, Sweden
c/o the Director-General of Finance
Please return the questionnaire to madi.sharma@esc.eu.int or fax to 01159799333, or mail Madi Sharma, EESC, c/o 40 Ridge Hill, Lowdham, Notts. NG14 7EL, UK.
c/o... (surname and given name(s))
There's a letter there, sent by his C/O after the war.
"To The Lonely Wolf c/o Jakob Wolski"

Alternatives:

care of
in care of
c/o (care of)

c.o.

This is a correct and commonly used abbreviation in English.

It also stands for "care of" and is used in the same way as "c/o" to indicate the recipient of a letter or package.

Examples:

The parcel was sent to the office c.o. the manager.
Please address the envelope c.o. the event coordinator.

Show examples from the web [+]

Talking to his C.O. in MTAC.
Joe's C.O. sent an incident report from Afghanistan.
C.O. wouldn't have reported him U.A.
C.O. filed the U.A. paperwork today.
Left Special Forces two weeks after his C.O.
They got my number two and the C.O.
[Laughs] You must be the new C.O.
Ziva, talk to his C.O. again.
C.O. called them born leaders.
Report to your c.O. No later than 2400.
C.O. most likely got in undetected.
I got to have a signed order from the C.O.
C.O. wants Grant, Liebgott, Wynn, Jackson... Shiftyfrom3rd Platoon and Webster.
C.O. confirmed that's why she was in San Diego the past three days.
The C.O. ordered the bioman left behind to die.
You should be C.O. now, he comes in and...
Don't worry I won't tell your C.O.
His c.o. sent him here because he trusts me.
His c.o. sent him here because he trusts me.
For application forms, see your C.O.

Alternatives:

care of
in care of
c/o (care of)

What Our Customers Are Saying

Our customers love us! We have an average rating of 4.79 stars based on 283,125 votes.
Also check out our 2,100+ reviews on TrustPilot (4.9).

"Thank you!"
Sachi Nakama July 2024
"I have literally been through chat, PI, claude, bard and bing and I got conflicting answers! Thank you! Human intelligence reigns!"
Retha July 2024
"Faster than AI"
CYNTHIA December 2023
"This was very helpful and I personally think this site is the best."
Kaden October 2023
"It was extremely thorough and very helpful!"
imperialelisa October 2023
"7 years without any disappointment. Always 100% satisfied. You guys are the best in the world at what you do. Thank you so much :)"
Zubair Alam October 2023
"In a world of text messages and online communication, this is great to have as a live tool. Thank you."
Selena October 2023
"Without textranch I would be stuck!"
宏祐 October 2023
"Accuracy and fast response. Personal comments from editor. Thank you."
Clh September 2023
"I wasn't aware of this service, it's fascinating and more reliable than standard IA tools available on the internet"
Arturo September 2023
"The fact that you can get reliable fast feedback on your texts."
Vinicius Antonio August 2023
"you guys are better than grammarly i'm being honest here"
ordinary July 2023
"OMG! This is really good than any other text correction tools I've used so far. Highly recommend this."
Vehan July 2023
"Very fast and accurate. thank you."
mojtaba July 2023
"I love this app because it's help to writing skills all of students ♥️"
Tarisini July 2023
"This was exactly the mistake I was looking for, the wording dind´t sound right at first. Better than grammarly!"
Ente July 2023
"The immediate help that I received was reassuring and very satisfactory. Thanks."
priiiyanshuu July 2023
"this helps A LOT for my studies."
kathnunez02 June 2023
"Woow!! I would never have expected such precision! Thank you soooo much!!"
Berta June 2023
"Real Time Editor and not AI. Many Thanks."
Priya June 2023
"The very first thing excites me about Textranch is how much your editors care."
sepideh June 2023
"The fact that texts are checked by human editors rather than by AI, etc. I appreciate this!"
Анна June 2023
"Feel welcome, immediate response, high quality feedback"
martin.roy June 2023
"This is the best app that I have ever seen"
Burulai May 2023

c/o vs c.o.

c/o

c.o.

Related Comparisons

What Our Customers Are Saying