Active Prefixes in Area Code 838

- 838-777
- Philmont, New York
- 838-219
- Kinderhook, New York
- 838-207
- Albany, New York
- 838-999
- Clinton
- 838-500
- Round Lake, New York
- 838-976
- Ua, New York
- 838-438
- Salem, New York
- 838-444
- Warren
- 838-386
- Troy, New York
- 838-228
- Windham, New York
- 838-842
- Germantown, New York
- 838-256
- Lkpleasant, New York
- 838-333
- Albany
- 838-282
- Lyon Mt, New York
- 838-666
- Montgomery
- 838-206
- Claverack, New York
- 838-435
- Claverack, New York
- 838-205
- Valley Fls, New York
- 838-202
- Albany, New York
- 838-766
- Warrensbg, New York
- 838-945
- Athens, New York
- 838-300
- Franklin
- 838-200
- Albany
- 838-888
- Hoosickfls, New York
- 838-222
- Essex
- 838-288
- Sharon Spg, New York
- 838-697
- Broadalbin, New York
- 838-900
- Albany, New York
- 838-336
- Palenville, New York
- 838-800
- Clinton
- 838-223
- Westport, New York
- 838-468
- Whitehall, New York
- 838-529
- Fonda, New York
- 838-384
- Castleton, New York
- 838-958
- Ua, New York
- 838-210
- Millerton, New York
- 838-203
- Schenctady, New York
- 838-209
- Claverack, New York
- 838-224
- Wells, New York
- 838-639
- Delanson, New York
- 838-959
- Ua, New York
- 838-201
- Hoosickfls, New York
- 838-839
- Albany, New York
- 838-208
- Copake, New York