Skip to main content
Toggle navigation
Home
Track Package
Find Location
USPS By City
USPS By States
USPS Zip Code
News
TOS
Contact
search
Home
Find Location
USPS By Zip Code
USPS By Zip Code
USPS ZIP Code Lookup
Look Up
A domestic ZIP Code number and other ZIP Code information (including ZIP+4 Codes) can be found through the ZIPCode Lookup tool on the search box above. Using the drop-down menu provided, you can search for a ZIP Code number by address, by city, by company, or you can find a city by ZIP Code. Simply fill in the appropriate fields (marked with a red asterisk) and then click the “Search” button. To find county information for an individual address, simply go to the ZIP Code lookup tool on usps-track.us and perform the following steps:
Type in an Address and City
Click “Search Button”
The complete address with ZIP Code will appear in the ZIP+4 lookup results
Underneath this information (directly below the city name), click on the “Mailing Industry Information” link
Specific county information for that address, as well as other pertinent mailing industry information, will display
00601
00602
00603
00606
00611
00612
00616
00617
00622
00623
00624
00627
00637
00638
00641
00646
00647
00650
00652
00653
00656
00659
00660
00662
00664
00667
00669
00670
00674
00676
00678
00683
00685
00687
00688
00690
00692
00693
00698
00703
00704
00705
00707
00714
00715
00718
00719
00720
00721
00723
00725
00729
00735
00736
00738
00739
00740
00741
00744
00745
00751
00754
00757
00765
00766
00767
00769
00771
00772
00773
00775
00777
00778
00780
00782
00783
00784
00786
00791
00794
00795
00802
00820
00830
00840
00850
00949
00952
00953
00962
00976
01001
01002
01005
01007
01008
01009
01010
01011
01012
01026
01027
01028
01029
01030
01031
01032
01033
01034
01035
01036
01037
01038
01039
01040
01050
01053
01054
01056
01057
01059
01060
01062
01066
01068
01069
01070
01071
01072
01073
01074
01075
01077
01079
01080
01081
01082
01083
01085
01089
01092
01093
01094
01095
01096
01098
01106
01151
01201
01220
01222
01223
01225
01226
01229
01230
01235
01236
01237
01238
01240
01242
01243
01244
01245
01247
01253
01254
01255
01257
01258
01259
01260
01262
01266
01267
01301
01330
01331
01337
01338
01339
01340
01341
01342
01344
01347
01351
01360
01364
01366
01367
01370
01373
01375
01376
01379
01380
01420
01430
01431
01432
01434
01436
01438
01440
01450
01451
01452
01453
01460
01462
01463
01464
01467
01468
01469
01472
01473
01475
01501
01503
01504
01505
01506
01507
01508
01510
01515
01516
01518
01519
01520
01522
01523
01524
01525
01526
01527
01529
01531
01532
01534
01535
01536
01537
01538
01540
01541
01542
01543
01545
01550
01560
01561
01562
01564
01566
01568
01569
01570
01571
01581
01583
01585
01588
01590
01720
01721
01730
01731
01740
01741
01742
01745
01746
01747
01748
01749
01752
01754
01756
01757
01760
01770
01772
01773
01775
01776
01778
01784
01801
01803
01810
01821
01824
01826
01827
01833
01834
01840
01844
01845
01860
01862
01863
01864
01865
01866
01867
01876
01879
01880
01885
01886
01887
01890
01906
01907
01908
01913
01915
01921
01922
01923
01929
01930
01936
01937
01938
01940
01944
01945
01949
01950
01952
01965
01966
01969
01970
01982
01983
01984
01985
02019
02021
02025
02030
02032
02035
02038
02041
02043
02045
02047
02048
02050
02051
02052
02053
02054
02056
02059
02061
02062
02065
02066
02067
02070
02071
02072
02081
02090
02093
02119
02120
02124
02126
02129
02130
02131
02132
02134
02135
02136
02149
02150
02151
02152
02155
02176
02180
02184
02186
02188
02189
02190
02191
02322
02324
1
2
3
4
5
6
7
8
9
…
next ›
last »