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Carrier group · Incumbent Local Exchange Carrier

Hartman Telephone Exchanges

Total blocks
5
Recent (18 mo)
0
Medium
0
Old
0
Member OCNs
1
States
2
Area codes
2
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Headquarters — Danbury, NE

Street view of Hartman Telephone Exchanges HQ
Street view
Satellite view of Hartman Telephone Exchanges HQ
Satellite

Block portfolio at a glance

By age

Undated: 55blocks
  • Recent (0) — last 18 mo
  • Medium (0)
  • Old (0)
  • Undated (5)

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 DakotaNebraska (NE): 3 blocksIowaMississippiIndianaIllinoisMinnesotaWisconsinMissouriArkansasOklahomaKansas (KS): 2 blocksLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

30837852

Member OCNs

1 OCN roll up under Hartman Telephone Exchanges.

OCNCompany name on fileHQTypeTotalRecent
1557 Hartman Telephone Exchange Inc Danbury, NE Incumbent Local Exchange Carrier 5 —