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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 →

Numbers by age tier

Different age tiers need different chase strategies. Pick a tier to see this carrier's blocks in that window plus advice on what to do next.

HOT Recently issued
≤ 18 months · 0 blocks · highest chance the carrier can still help
WARM A while back
0 blocks · long shot but worth calling
COLD Several years ago
15 blocks · contact the number directly

HQ: Dallas, WI

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Satellite view of CTC Telcom Inc HQ
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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
11
14
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