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P.O. box, federal and single-building ZIP codes

Around 260 of the ZIP codes the old site had pages for do not describe a neighborhood at all. They route mail to P.O. boxes, federal departments, Congress, military commands and other large mail recipients. A locksmith cannot be sent to one of them; give the street address instead.

  • Price quoted before work starts
  • Written estimate on request
  • Ask the locksmith for ID at the door
Flat illustration of a wall of small numbered mailbox doors under a coffered vault

01 Street level

Why these ZIPs have no neighborhood

Washington is full of institutions that receive huge volumes of mail, and the Postal Service gives many of them a ZIP of their own. A business with a P.O. box downtown, a federal department, a military office: each can have a code that maps to a mailroom, not a block of houses.

The old site built a separate locksmith page for each of these codes. That made no sense, so this site lists them here. If you live or work at a street address, find your neighborhood hub on the index; if you are not sure which one fits, the dispatcher will sort it out from the address.

Federal and military buildings have their own facilities and security staff and strict rules about who may work on their locks. A private locksmith does not work inside them. Personal cars parked outside, and the homes and offices of people who work there, are a different matter.

02 Typical calls

What these ZIP codes cover

  • 200xx: P.O. boxes, the main post office and unique codes for universities, hospitals and large organizations
  • 202xx: unique codes for federal departments and agencies
  • 203xx: military and defense mail, including the Navy Yard and Joint Base Anacostia-Bolling
  • 204xx: independent agencies and federal offices
  • 205xx: the White House, Congress, the State Department and other large federal recipients
  • None of these is a neighborhood. A street address always is.

03 ZIPs covered

ZIP codes in the P.O. boxes & federal mail hub

ZIPWhat it is
200xx20013, 20022, 20023, 20026, 20027, 20029, 20030, 20033, 20035, 20038–20047, 20049–20051, 20053, 20055, 20056, 20058, 20061–20063, 20065–20071, 20073–20078, 20080–20082, 20088, 20090, 20091, 20097, 20098
202xx20201–20204, 20206–20208, 20210–20224, 20226–20230, 20232, 20233, 20235, 20237–20242, 20244, 20245, 20250, 20251, 20254, 20260–20262, 20265, 20266, 20268, 20270, 20277, 20289, 20299
203xx20301, 20303, 20306, 20307, 20310, 20314, 20317, 20318, 20330, 20340, 20350, 20355, 20370, 20372–20376, 20380, 20388–20395, 20398
204xx20401–20429, 20431, 20433–20437, 20439–20442, 20444, 20447, 20451, 20453, 20456, 20460, 20463, 20468–20470, 20472
205xx20500–20511, 20515, 20520–20544, 20546–20549, 20551–20555, 20557–20560, 20565, 20566, 20570–20573, 20575–20581, 20585, 20586, 20590, 20591, 20593, 20594, 20597, 20599

04 Questions

P.O. boxes & federal mail: questions

My mail goes to a P.O. box. Which hub is mine?

The one for your street address. Use the index or the neighborhood list on any page, or just give the dispatcher your address.

Can a locksmith open a federal office door or desk?

No. Government buildings have their own security and facilities staff, and their locks are controlled. Ask your building's facilities office.

Why does the District have so many ZIP codes?

Because the Postal Service gives large mail recipients, including many federal agencies, a code of their own. They help sort mail; they do not mark neighborhoods.

Call the line, hear the starting price

202-753-3643. The trip charge is read out first and the locksmith confirms the full estimate at the door.

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