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Baltimore-Washington Telephone (BWT) issued these blocks within the last 18 months, so many of the numbers in them may not have been assigned to customers yet. Call any number you're interested in, and if it doesn't go to a customer you can contact Baltimore-Washington Telephone (BWT) and you might be able to get it from them.

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About Baltimore-Washington Telephone Company

Baltimore-Washington Telephone Company (BWT) is a small independent Competitive Local Exchange Carrier (CLEC) providing wholesale origination and termination services primarily to other telephone companies, CLECs, VoIP providers, and qualified enterprise customers. It operates as a 'carrier's carrier' with state-level authority, including provisional CLEC certification in Pennsylvania as of 2023 to serve territories of Verizon Pennsylvania LLC and Verizon North LLC. BWT holds 2 state-level Operating Company Numbers (OCNs) and has originated 83 1,000-number blocks.

Sources: About BWT | Baltimore-Washington Telephone Company · Baltimore-Washington Telephone Company | Baltimore-Washington ... · Services | Baltimore-Washington Telephone Company · [PDF] Stephen - Pennsylvania Public Utility Commission

Carrier website

Homepage screenshot of Baltimore-Washington Telephone (BWT) bwtel.com: opens in a new tab

HQ: Laurel, MD

Street view of Baltimore-Washington Telephone (BWT) HQ
Street view
Satellite view of Baltimore-Washington Telephone (BWT) HQ
Satellite

Block portfolio at a glance

By age

Old: 65Undated: 873blocks
  • Recent (0). Last 18 mo
  • Medium (0)
  • Old (65)
  • 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 YorkNew JerseyPennsylvaniaDelawareMaryland (MD): 73 blocksWest VirginiaKentuckyOhioMichiganWyomingMontanaIdahoWashingtonTexasCaliforniaArizonaNevadaUtahColoradoNew MexicoOregonNorth DakotaSouth DakotaNebraskaIowaMississippiIndianaIllinoisMinnesotaWisconsinMissouriArkansasOklahomaKansasLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

410233011744315240136675

Block assignments by year

03
04
05
06
10
49 15

Area codes

NPABlocksRecentLast
410 23 · 2015-06-23
301 17 · 2015-05-27
443 15 · 2015-06-23
240 13 · 2015-06-23
667 5 · 2015-05-27

States

StateBlocksRecent
MD 73 ·

Sister OCNs in the Baltimore-Washington Telephone Company group

Same customer-facing carrier, different state-registered OCN. Combined stats are on the Baltimore-Washington Telephone Company group page.

OCNCompany name on fileHQ stateTotalRecent
782G Baltimore-Washington Telephone Company - NY MD 10 ·