AT&T is expanding its 5G network again.

AT&T's 5G network is now live in another 20 markets, bringing it up to a total of 100 markets across the US. Included in this latest rollout is Harrisburg, PA; Reno, NV; Syracuse, NY; and several other locales.

Here's the full list of AT&T's 20 new 5G markets:

• Allentown, PA
• Brown County, IN
• Hancock County, GA
• Hancock County, OH
• Harrisburg, PA
•  Huntsville, AL
• Kent County, DE
• Lexington-Fayette, KY
• Otsego County, NY
• Reading, PA
• Reno, NV
• Sandusky County, OH
• Santa Cruz, CA
• Springfield, MO
• Storey County, NV
• Syracuse, NY
• Topeka, KS
• Trenton, NJ
• Tuscarawas County, OH
• Washington County, IL

This is AT&T's low-band 5G network, which is compatible with the Galaxy Note 10+ 5G, Galaxy S20 5G, Galaxy S20+ 5G, and Galaxy S20 Ultra 5G. It's also supported by the LG V60 ThinQ that's launching at AT&T this week.

In addition to a 5G-compatible phone, you'll need to be on an AT&T Unlimited Extra or Unlimited Elite plan to get onto AT&T's 5G network. 5G access is included with those plans at no extra charge.