There are 274 entries for the Washington zip code, including 20001、20002、20003、20004、20005、20006, etc. Washington area code is 412. This page contains basic information and maps for Washington, PA. Are you looking for a hotel, hairdresser, real estate agent, insurance consultant, doctor or lawyer in Washington, you can easily find everything you need, it's easy here!
Updated on:Apr 14, 2026
On this map you can see the exact location of Washington in the United States.
There are 274 zip codes associated with Washington, Pennsylvania. Washington area code is 412
Whether you're looking for hotels, hairdressers, doctors or lawyers in Pennsylvania. You can find these phone numbers in our phone book. With us, you can easily book a restaurant or hotel in your location. You can also find reputable real estate agents and insurance advisors. Everything you need is easily accessible here!
The first step is to write the reply address first:
The return address is three lines, the first line will be the sender's name. The second line writes the sender's detailed address, including the street address, please remember to write the house number. On the third line write your city, state and zip code. If for some reason your city and state information is taking up a lot of space, you can also put your zip code on the fourth line.
The second step is to write the recipient address:
You need to be more careful when writing the address and name of the recipient, and at least three lines of text are required here. The first line is also the recipient's name. When writing the recipient's name, pay attention to the title, and write the person's title and name in the middle of the envelope. On the second line, write the recipient's full address, including any associated apartment or suite numbers. The more detailed the better. The third line writes the recipient's city, state, and zip code, this information is the last line of the address.
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