The Dahlgren post office provides service to more than 1,500 customers in the 62828 postal (ZIP) code. Dahlgren has had no locally published newspaper since the cessation of publication of
The Dahlgren Echo many years ago. There is no current newspaper of record as the weekly
McLeansboro Times-Leader formerly published in the county seat folded in 2018. Other daily newspapers available for home delivery in the area include
The Morning Sentinel (Centralia & Mt. Vernon) and
The Southern Illinoisan (regional print newspaper). Dahlgren is in the Harrisburg, IL / Cape Girardeau, MO / Paducah, KY television Designated Market Area (DMA), the 90th largest
television market in 2019 as defined by
Nielsen Media Research. Residents receive over-the-air reception of the following digital broadcast channels from networks and other affiliates: • ABC (
WSIL) — 3.1 HD, 3.2 SD Heroes and Icons, 3.3 SD Justice Network, 3.4 SD Court TV & 3.5 SD Ion — RF channel 34 • NBC (
WPSD) — 6.1 HD, 6.2 SD Cozi & 6.3 SD Antenna TV — RF channel 32 (planned to be repacked to RF channel 19) • PBS (
WSIU) — 8.1 HD, 8.2 SD PBS World, 8.3 SD Create, 8.4 FM Simulcast and Public Info, & 8.5 SD PBS Kids — RF channel 8 • CBS (
KFVS) — 12.1 HD, 12.2 HD CW (
WQTV-TV) & 12.3 SD Grit — RF channel 12 (planned to be repacked to RF channel 11) • 3ABN (
W15BU-D) — 15.1 SD English, 15.2 SD Spanish, 15.3
3ABN Radio, & 15.4 Radio 74 — RF channel 15 • PBS (
WUSI) — 16.1 HD, 16.2 PBS World, 16.3 Create & 16.4 FM Simulcast & Public Info — RF channel 19 (planned to be repacked to RF channel 23) • Fox (
KBSI) — 23.1 HD, 23.2 My Network TV 49 (WDKA), & 23.3 SD Comet — RF channel 22 (planned to be repacked to RF channel 36) • TCT (
WTCT) — 27.1 SD, 27.2 HD & 27.3 SD Light TV — RF channel 17 (planned to be repacked to RF channel 30) • MyNetworkTV (
WDKA) — 49.1 HD, 49.2 SD Charge!, 49.3 SD TBD, & 49.4 Stadium — RF channel 49 (planned to be repacked to RF channel 25) Since the digital television transition of 2009 there have been many ownership and affiliation changes in television markets. The Harrisburg, IL / Cape Girardeau, MO / Paducah, KY DMA has been no exception. In 2019 major players include Sinclair, Paxton Media Group, Raycom Media, Quincy Media, and the University of Southern Illinois.
WPXS (Daystar), licensed to Mt. Vernon, moved its transmitter northwest of Breese, IL in the St. Louis, MO DMA and is no longer available over-the-air in Dahlgren. Viewers with a rotator and suitably elevated antenna can also receive virtually all over-the-air broadcasts from
Evansville, Indiana. Cable television service (analog), previously available from Longview Communication, was terminated in 2006. Hamilton County Communications (a wholly controlled subsidiary of the Hamilton County Telephone Cooperative - HCTC) acquired the cable-operating rights upon Longview's demise and operated an IPTV-based television service under the Futiva brand until 2019 when HCC exited the business. Mobile telephony services are provided by ATT (formerly Cingular) and Verizon. At one time 6 providers offered cellphone coverage, either directly or through roaming agreements. This included First Cellular of Southern Illinois (which HCTC co-owned) and T-Mobile. Local landline telephone and DSL service is available through the Hamilton County Telephone Cooperative (and/or Hamilton County Communications). Wireless broadband service is provided by all mobile providers. Satellite broadband service is available from Exede/ViaSat and HughesNet. ==Government and schools==