Telephone Communications (No Radiotelephone)
532 tracked issuers filing with the SEC under this industry classification.
Issuers
532
Filings
40
SIC Code
4813
Industry Overview
Telephone Communications (No Radiotelephone)
The Telephone Communications (No Radiotelephone) industry under SIC 4813 encompasses wireline and fixed-network providers delivering local and long-distance voice, VoIP, and high-capacity data services over copper and increasingly fiber infrastructure. Core offerings include residential landline and broadband bundles, enterprise voice and data circuits, PBX and unified communications, wholesale carrier backhaul, and secure connectivity for government and critical infrastructure clients. Typical customers range from households and small businesses to large corporates, public-sector agencies, and other telecom operators relying on robust, low-latency networks. Operators face heavy capital intensity, pricing pressure from over-the-top apps, cybersecurity and outage risks, and close oversight from regulators on interconnection, service quality, emergency access, and customer privacy. In 2024–2025, the sector is driven by fiber-to-the-premises rollouts, fixed-mobile convergence, cloud-based collaboration tools, and consolidation among regional carriers. Investors and industry analysts can track evolving strategies and risk disclosures by reviewing live SEC filings for SIC 4813 companies on Earnings Feed.
Source: Earnings Feed research · Nov 23
Latest Filings
- 6-KPLDT Inc.$PHI
PLDT Inc. 6-K
Feb 26, 9:27 AM ET1.6 MB - 10-KSHENANDOAH TELECOMMUNICATIONS CO/VA/$SHEN
SHENANDOAH TELECOMMUNICATIONS CO/VA/ 10-K
Feb 26, 7:11 AM ET23.5 MB - 8-KSHENANDOAH TELECOMMUNICATIONS CO/VA/$SHEN
SHENANDOAH TELECOMMUNICATIONS CO/VA/ 8-K
Feb 26, 7:00 AM ET474.3 KB - 144VERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 144
Feb 24, 5:15 PM ET8.1 KB - 8-KCINCINNATI BELL INC
CINCINNATI BELL INC 8-K
Feb 24, 4:45 PM ET137.9 KB - 10-KTELEPHONE & DATA SYSTEMS INC /DE/$TDS
TELEPHONE & DATA SYSTEMS INC /DE/ 10-K
Feb 24, 4:15 PM ET22.0 MB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 24, 1:00 PM ET1.2 MB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Feb 24, 12:23 PM ET46.3 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 24, 12:23 PM ET21.6 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 23, 6:19 PM ET28.6 KB - 8-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 8-K
Feb 23, 5:19 PM ET663.9 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 23, 4:18 PM ET33.5 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 23, 6:06 AM ET4.6 MB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 23, 6:03 AM ET56.8 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 23, 6:03 AM ET36.7 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 23, 6:02 AM ET51.9 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 20, 5:01 PM ET48.3 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 20, 4:58 PM ET45.8 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 20, 4:56 PM ET44.2 KB - 10-KQWEST CORP$CTBB
QWEST CORP 10-K
Feb 20, 4:25 PM ET10.2 MB - 10-KLevel 3 Parent, LLC
Level 3 Parent, LLC 10-K
Feb 20, 4:22 PM ET12.3 MB - 10-KLumen Technologies, Inc.$LUMN
Lumen Technologies, Inc. 10-K
Feb 20, 4:18 PM ET22.0 MB - 8-KTELEPHONE & DATA SYSTEMS INC /DE/$TDS
TELEPHONE & DATA SYSTEMS INC /DE/ 8-K
Feb 20, 7:38 AM ET1.0 MB - 6-KTURKCELL ILETISIM HIZMETLERI A S$TKC
TURKCELL ILETISIM HIZMETLERI A S 6-K
Feb 17, 2:26 PM ET39.5 KB - 10-KVERIZON COMMUNICATIONS INC$VZ
VERIZON COMMUNICATIONS INC 10-K
Feb 17, 10:35 AM ET25.6 MB - 8-KATN International, Inc.$ATNI
ATN International, Inc. 8-K
Feb 13, 5:18 PM ET1.3 MB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 12, 5:13 PM ET37.6 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 12, 5:11 PM ET35.4 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 12, 5:09 PM ET29.9 KB - 6-KTELEFONICA BRASIL S.A.$VIV
TELEFONICA BRASIL S.A. 6-K
Feb 12, 5:08 PM ET37.9 KB - 6-KAMERICA MOVIL SAB DE CV/$AMX
AMERICA MOVIL SAB DE CV/ 6-K
Feb 12, 4:55 PM ET2.2 MB - 6-KTELECOM ARGENTINA SA$TEO
TELECOM ARGENTINA SA 6-K
Feb 12, 4:44 PM ET314.8 KB - 10-QAnterix Inc.$ATEX
Anterix Inc. 10-Q
Feb 11, 4:46 PM ET5.5 MB - 8-KAnterix Inc.$ATEX
Anterix Inc. 8-K
Feb 11, 4:45 PM ET1.2 MB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 11, 6:14 AM ET28.1 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 11, 6:11 AM ET17.2 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 11, 6:03 AM ET3.3 MB - 6-KTELECOM ARGENTINA SA$TEO
TELECOM ARGENTINA SA 6-K
Feb 10, 9:58 PM ET24.6 KB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 10, 6:06 PM ET4.1 MB - 6-KTIM S.A.$TIMB
TIM S.A. 6-K
Feb 10, 6:01 PM ET1.6 MB
Featured Issuers
1221ST CENTURY WIRELESS GROUP INC
CIK 0001008115
360 COMMUNICATIONS CO
CIK 0001003959
ACC CORP
CIK 0000783233
Access-Power & Co., Inc.
CIK 0001041588
ADELPHIA BUSINESS SOLUTIONS INC
CIK 0001017648
AEROTELESIS INC
CIK 0000017544
AIRGATE PCS INC
CIK 0001085302
AIRGATE PCS INC /DE/
CIK 0001086844
AirGate PCS, Inc. /Merger/
CIK 0001317606
ALAMOSA HOLDINGS INC
CIK 0001120102
ALASKA COMMUNICATIONS SYSTEMS GROUP INC
CIK 0001089511
ALASKA COMMUNICATIONS SYSTEMS HOLDINGS INC
CIK 0001089510
Classification
- SIC Code
- 4813
- Total Issuers
- 532
- Recent Filings
- 40