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Carrier group · Competitive Local Exchange Carrier · 2 member OCNs

Baltimore-Washington Telephone Company

Total blocks
83
Recent (18 mo)
0
Medium
0
Old
75
Member OCNs
2
States
2
Area codes
10
First assigned block
2003-06-09
Last assigned block
2015-06-23
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Block portfolio at a glance

By age

Old: 75Undated: 883blocks
  • Recent (0) — last 18 mo
  • Medium (0)
  • Old (75)
  • Undated (8)

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 York (NY): 10 blocksNew JerseyPennsylvaniaDelawareMaryland (MD): 73 blocksWest VirginiaKentuckyOhioMichiganWyomingMontanaIdahoWashingtonTexasCaliforniaArizonaNevadaUtahColoradoNew MexicoOregonNorth DakotaSouth DakotaNebraskaIowaMississippiIndianaIllinoisMinnesotaWisconsinMissouriArkansasOklahomaKansasLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

41023301174431524013667531525182716284529292

Block assignments by year

03
04
05
06
10
59 15

Member OCNs

2 OCNs roll up under Baltimore-Washington Telephone Company.

OCNCompany name on fileHQTypeTotalRecent
8697 Baltimore-Washington Telephone (BWT) Laurel, MD Competitive Local Exchange Carrier 73 —
782G Baltimore-Washington Telephone Company - NY Baltimore, MD Competitive Local Exchange Carrier 10 —