ZIP code 56999
Where is ZIP code 56999?
Parcel Return Service, District of Columbia
Unique ZIP code
ZIP code 56999 belongs to Parcel Return Service, District of Columbia. 56999 is a unique ZIP code assigned to a single organization (Parcel Return Svc) that gets a lot of mail. It is in the Eastern Time zone and uses area codes 202 and 771.
| ZIP code | 56999 |
|---|---|
| Type | Unique ZIP code for a single organization |
| Status | Active |
| City | Parcel Return Service |
| Also accepted | Prs |
| State | District of Columbia (DC) |
| Time zone | Eastern Time · now |
| Area codes | 202, 771 |
| 3-digit prefix | 569 |
The Census Bureau doesn’t publish population figures for unique ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
How to address mail to 56999
123 MAIN ST
PARCEL RETURN SERVICE DC 56999
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts PRS as the city name for 56999. Adding the 4-digit ZIP+4 code (56999-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Parcel Return Service, DC
- 56901
- 56902
- 56904
- 56908
- 56915
- 56920
- 56933
- 56935
- 56944
- 56945
- 56950
- 56964
- 56965
- 56966
- 56967
- 56968
- 56969
- 56970
- 56971
- 56972
- 56973
- 56980
- 56981
- 56982
- 56983
- 56984
- 56985
- 56998
All Parcel Return Service ZIP codes with population and income →
Questions
- What city is ZIP code 56999?
- 56999 is a Parcel Return Service, District of Columbia ZIP code. Prs is also accepted as the city name.
- What time zone is ZIP code 56999 in?
- 56999 is in the Eastern Time zone (America/New_York).
- What area code is 56999?
- Phone numbers in ZIP code 56999 use area codes 202 and 771.
- Can I use 56999 for a street address?
- Only for mail to the organization it is assigned to. Other addresses in Parcel Return Service use a standard ZIP code.