CloseCall America
CloseCall America was a United States telecommunications provider offering telephone, wireless, and Internet services through a combination of resold incumbent-carrier networks.
Last updated August 31, 2026
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Overview
CloseCall America, also known as CloseCall, was a United States telecommunications services provider established in May 1999. The company operated as a Competitive Local Exchange Carrier (CLEC), a category of communications provider that competes with incumbent local telephone carriers by using its own facilities, leased capacity, or resold infrastructure. CloseCall built its business around serving three broad customer groups: businesses, residential subscribers, and government organizations. The company offered voice and data connectivity rather than manufacturing telecommunications equipment or operating as a consumer electronics brand. Its service portfolio included telephone services, wireless services, and Internet access. CloseCall's network model relied in part on reselling network capacity from incumbent carriers, allowing it to offer communications services across a broad geographic footprint without needing to duplicate the entire fixed-line infrastructure of established telephone companies. CloseCall reported operations in 48 states, giving it a substantially national U.S. footprint for a regional or independent CLEC. Its headquarters were in Stevensville, Maryland. The business was formed during a period when U.S. telecommunications liberalization and the growth of competitive local exchange carriers created opportunities for newer providers to challenge incumbent telephone companies in local voice, data, and related communications services. The company was founded by Thomas Mazerski, Mary Guerra Scarborough, and Stephen Ruppert. In 2004, CloseCall America was acquired by MobilePro. The acquisition ended CloseCall's independent ownership and placed its operations within MobilePro's broader telecommunications portfolio. In 2007, MobilePro sold its CLEC operations to USA Telephone. The available reference material does not provide a detailed account of the subsequent treatment of the CloseCall name, but the brand is generally regarded as defunct following the transfer and restructuring of the relevant CLEC operations. CloseCall America is therefore best understood as a historical U.S. telecom-services brand rather than a current nationwide operator. Its significance lies in its participation in the competitive-carrier market of the late 1990s and 2000s, its attempt to provide nationwide communications services through resold and incumbent-carrier networks, and its later passage through two ownership changes.
History
CloseCall America was founded in May 1999 as a U.S. telecommunications company and Competitive Local Exchange Carrier. Its creation came during a period in which regulatory and technological changes were encouraging competition in local telephone markets. Rather than functioning solely as a facilities-based incumbent, the company used a combination of resold networks from incumbent carriers to provide communications services over a broad national footprint. The company was established by Thomas Mazerski, Mary Guerra Scarborough, and Stephen Ruppert. From its headquarters in Stevensville, Maryland, CloseCall served business, residential, and government customers. Its activities covered voice and data services, as well as wireless and Internet offerings. The company reported operations in 48 states, positioning it as a broadly distributed provider rather than a communications business limited to one metropolitan area. CloseCall's operating model reflected the economics of the competitive-carrier sector. By combining resale arrangements with telecommunications services, it could reach customers across multiple markets without constructing a complete parallel network in every location. This approach allowed independent providers to compete with incumbent local exchange carriers, particularly in business communications and other segments where customers could value alternatives for voice and data connectivity. In 2004, MobilePro acquired CloseCall America. The acquisition removed CloseCall from independent ownership and incorporated its operations into MobilePro's telecommunications activities. The available historical account does not describe a separate rebranding program, detailed integration plan, or financial terms for the acquisition. It does, however, identify the change in ownership as the principal turning point in the company's history. In 2007, MobilePro sold its CLEC operations to USA Telephone. This sale transferred the relevant competitive local exchange carrier assets or activities to another telecommunications operator. The reference material does not establish whether the CloseCall name continued in active commercial use after the transaction, nor does it provide a later corporate history for the brand. On the available evidence, CloseCall America is treated as a defunct historical brand whose operations passed through successive telecommunications owners. CloseCall America illustrates the development and consolidation of the U.S. competitive telecommunications market around the turn of the century. It entered the market as an independent provider with a multi-state service ambition, supplied voice and data connectivity using a mix of network resources, and later became part of a broader telecom portfolio before the relevant CLEC operations were sold again. No reliable source material supplied for this entry documents major product generations, advertising campaigns, regulatory disputes, litigation, executive changes beyond the founders, or financial results.
- 2007
CLEC operations sold to USA Telephone
[1]MobilePro sold its CLEC operations to USA Telephone, marking a further ownership transition for the telecommunications activities associated with CloseCall.
- 2004
Acquisition by MobilePro
[1]MobilePro acquired CloseCall America and incorporated the company into its telecommunications operations.
- 1999
CloseCall America founded
[1]CloseCall America was established in May 1999 as a Competitive Local Exchange Carrier providing telecommunications services in the United States.
Products and positioning
A nationwide-oriented competitive telecommunications provider serving business, residential, and government customers through voice, wireless, Internet, and data services delivered partly over resold incumbent-carrier networks.
Telecommunications
Voice services
CloseCall provided telephone connectivity for business, residential, and government customers. As a CLEC, it competed with incumbent local carriers using a combination of resold network capacity and other available telecommunications infrastructure.
Wireless telecommunications
Wireless services
Wireless telecommunications was part of CloseCall America's broader service portfolio. The available source identifies wireless offerings but does not specify the technologies, plans, devices, or exact customer segments associated with them.
Internet and data connectivity
Internet and data services
CloseCall offered Internet and data services to its customer base. These services complemented its voice business and supported the company's role as a multi-state communications provider for commercial, residential, and public-sector users.
Brand decisions
2007
Sale of CLEC operations to USA TelephoneM&ABackground
MobilePro subsequently reorganized its telecommunications holdings and sold its CLEC operations.
Action taken
MobilePro sold its CLEC operations to USA Telephone.
Aftermath
The transaction transferred the relevant competitive local exchange carrier activities to USA Telephone; the later status of the CloseCall name is not documented in the supplied reference.
2004
MobilePro acquisitionM&ABackground
CloseCall America was operating as a multi-state competitive telecommunications provider when MobilePro acquired the company.
Action taken
MobilePro acquired CloseCall America and took control of its telecommunications operations.
Aftermath
CloseCall ceased to operate as an independently owned company and became part of MobilePro's telecom activities.
Sources1 sources
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