diff --git a/cogs/hamcog.py b/cogs/hamcog.py
index 7c04950..db1a96d 100644
--- a/cogs/hamcog.py
+++ b/cogs/hamcog.py
@@ -13,6 +13,8 @@ from datetime import datetime
 import discord
 import discord.ext.commands as commands
 
+from resources import callsign_info
+
 
 class HamCog(commands.Cog):
     def __init__(self, bot: commands.Bot):
@@ -73,6 +75,33 @@ class HamCog(commands.Cog):
                              icon_url=str(ctx.author.avatar_url))
         await ctx.send(embed=embed)
 
+    @commands.command(name="vanities", aliases=["vanity", "pfx", "prefixes", "prefix"])
+    async def _vanity_prefixes(self, ctx: commands.Context, country: str = None):
+        '''Lists valid prefixes for countries.'''
+        if country is None:
+            await ctx.send_help(ctx.command)
+            return
+        if country.lower() not in callsign_info.options:
+            embed = discord.Embed(title=f'{country} not found!',
+                                  description=f'Valid countries: {", ".join(callsign_info.options.keys())}',
+                                  colour=self.gs.colours.bad,
+                                  timestamp=datetime.utcnow())
+            embed.set_footer(text=ctx.author.name,
+                             icon_url=str(ctx.author.avatar_url))
+            await ctx.send(embed=embed)
+            return
+        embed = discord.Embed(title=callsign_info.options[country.lower()][0],
+                              description=callsign_info.options[country.lower()][1],
+                              colour=self.gs.colours.good,
+                              timestamp=datetime.utcnow())
+        embed.set_footer(text=ctx.author.name,
+                         icon_url=str(ctx.author.avatar_url))
+
+        for name, val in callsign_info.options[country.lower()][2].items():
+            embed.add_field(name=name, value=val, inline=False)
+
+        await ctx.send(embed=embed)
+
 
 def setup(bot: commands.Bot):
     bot.add_cog(HamCog(bot))
diff --git a/resources/callsign_info.py b/resources/callsign_info.py
new file mode 100644
index 0000000..047f1df
--- /dev/null
+++ b/resources/callsign_info.py
@@ -0,0 +1,57 @@
+"""
+Information about callsigns for the vanity prefixes command in hamcog.
+---
+Copyright (C) 2019 Abigail Gold, 0x5c
+
+This file is part of discord-qrmbot and is released under the terms of the GNU
+General Public License, version 2.
+"""
+
+from collections import OrderedDict
+
+
+us_calls_title = "Valid US Vanity Callsigns"
+us_calls_desc = ('#x# is the number of letters in the prefix and suffix of a callsign.'
+                 'E.g., WY4RC would be a 2x2 callsign, with prefix WY and suffix RC.')
+us_calls = OrderedDict([('**Group A** (Extra Only)', ('**Any:** K, N, W (1x2)\n'
+                                                      '    AA-AL, KA-KZ, NA-NZ, WA-WZ (2x1)\n'
+                                                      '    AA-AL (2x2)\n'
+                                                      '*Except*\n'
+                                                      '**Alaska:** AL, KL, NL, WL (2x1)\n'
+                                                      '**Caribbean:** KP, NP, WP (2x1)\n'
+                                                      '**Pacific:** AH, KH, NH, WH (2x1)')),
+                        ('**Group B** (Advanced and Extra Only)', ('**Any:** K, N, W (1x2)\n'
+                                                                   '    AA-AL, KA-KZ, NA-NZ, WA-WZ (2x1)\n'
+                                                                   '    AA-AL (2x2)\n'
+                                                                   '*Except*\n'
+                                                                   '**Alaska:** AL, KL, NL, WL (2x1)\n'
+                                                                   '**Caribbean:** KP, NP, WP (2x1)\n'
+                                                                   '**Pacific:** AH, KH, NH, WH (2x1)')),
+                        ('**Group C** (Technician, General, Advanced, Extra Only)', ('**Any Region:** K, N, W (1x3)\n'
+                                                                                     '*Except*\n'
+                                                                                     '**Alaska:** KL, NL, WL (2x2)\n'
+                                                                                     '**Caribbean:** NP, WP (2x2)\n'
+                                                                                     '**Pacific:** KH, NH, WH (2x2)')),
+                        ('**Group D** (Any License Class)', ('**Any Region:** KA-KZ, WA-WZ (2x3)\n'
+                                                             '*Except*\n'
+                                                             '**Alaska:** KL, WL (2x3)\n'
+                                                             '**Caribbean:** KP, WP (2x3)\n'
+                                                             '**Pacific:** KH, WH (2x3)')),
+                        ('**Unavailable**', ('- KA2AA-KA9ZZ: US Army in Japan\n'
+                                             '- KC4AAA-KC4AAF: NSF in Antartica\n'
+                                             '- KC4USA-KC4USZ: US Navy in Antartica\n'
+                                             '- KG4AA-KG4ZZ: US Navy in Guantanamo Bay\n'
+                                             '- KL9KAA-KL9KHZ: US military in Korea\n'
+                                             '- KC6AA-KC6ZZ: Former US (Eastern and Western Caroline Islands), '
+                                             'now Federated States of Micronesia (V6) and Republic of Palau (T8)\n'
+                                             '- KX6AA-KX6ZZ: Former US (Marshall Islands), '
+                                             'now Republic of the Marshall Islands (V73)\n'
+                                             '- Any suffix SOS or QRA-QUZ\n'
+                                             '- Any 2x3 with X as the first suffix letter\n'
+                                             '- Any 2x3 with AF, KF, NF, or WF prefix and suffix EMA\n'
+                                             '- Any 2x3 with AA-AL, NA-NZ, WC, WK, WM, WR, or WT prefix\n'
+                                             '- Any 2x1, 2x2, or 2x3 with KP, NP, WP prefix and 0, 6, 7, 8, 9 number\n'
+                                             '- Any 1x1 callsign'))])
+
+# format: country: (title, description, text)
+options = {'us': (us_calls_title, us_calls_desc, us_calls)}