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Several years old. Contact the number directly.

CTC Telcom Inc issued these blocks several years ago. Customers swap carriers every few years, so CTC Telcom Inc probably no longer holds them. Try calling any number you're interested in. If a person answers, you've found the current owner and can negotiate with them.

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A long shot: if you'd like a watch in case we ever gain access to CTC Telcom Inc's inventory directly, you can register your interest. We don't currently have visibility into number changes within carriers, so don't count on it.

About One Communications

One Communications was a competitive local exchange carrier (CLEC) that provided telecommunications services primarily to small and mid-sized business customers in the Northeast, Midwest, and Mid-Atlantic US. It operated approximately 11,700 miles of fiber and 629 collocations, serving around 113,000 customers. The company was acquired by EarthLink in 2011 for $370 million and integrated into its operations.

Sources: One Communications - Wikipedia · Earthlink Wins the Auction for One Communications · One Communications Finds A Willing Buyer In EarthLink - CRN · EarthLink Completes Acquisition of One Communications

Toll-free side: One Communications also operates as a toll-free RespOrg (code QGB01). View on resporgs.com →

HQ: Dallas, WI

Street view of CTC Telcom Inc HQ
Street view
Satellite view of CTC Telcom Inc HQ
Satellite

Block portfolio at a glance

By age

Old: 15Undated: 419blocks
  • Recent (0). Last 18 mo
  • Medium (0)
  • Old (15)
  • Undated (4)

Footprint by state

Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.

HawaiiAlaskaFloridaSouth CarolinaGeorgiaAlabamaNorth CarolinaTennesseeRhode IslandConnecticutMassachusettsMaineNew HampshireVermontNew YorkNew JerseyPennsylvaniaDelawareMarylandWest VirginiaKentuckyOhioMichiganWyomingMontanaIdahoWashingtonTexasCaliforniaArizonaNevadaUtahColoradoNew MexicoOregonNorth DakotaSouth DakotaNebraskaIowaMississippiIndianaIllinoisMinnesotaWisconsin (WI): 19 blocksMissouriArkansasOklahomaKansasLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

71519

Block assignments by year

08
09
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8 22

Area codes

NPABlocksRecentLast
715 19 · 2022-06-16

States

StateBlocksRecent
WI 19 ·

Sister OCNs under EarthLink Inc

OCNCompanyTotalRecent
4673 Choice One Communications Inc - MA 1 0
8685 US Xchange of Michigan LLC dba Choice One Communications - MI 1 0
0519 Choice One Communications of Ohio Inc - KY 0 0
0558 Conversent Communications of New Jersey LLC - NJ 0 0
0560 Conversent Communications of New Jersey LLC 0 0
132D STS Telecom LLC - FL 0 0
135D STS Telecom LLC - FL 0 0
147B Conversent Communications of Pennsylvania LLC - PA 0 0
148B Conversent Communications of Vermont LLC - VT 0 0
2527 Choice One of New Hampshire Inc 0 0
2695 CTC Communications Corporation - DC 0 0
2696 CTC Communications Corporation - DE 0 0