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Carrier group · Underlying Local Exchange Carrier

Grid 4 Communications

Total blocks
85
Recent (18 mo)
0
Medium
0
Old
83
Member OCNs
1
States
1
Area codes
7
First assigned block
2006-05-01
Last assigned block
2017-06-29
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Block portfolio at a glance

By age

Old: 83Undated: 285blocks
  • Recent (0) — last 18 mo
  • Medium (0)
  • Old (83)
  • Undated (2)

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 VirginiaKentuckyOhioMichigan (MI): 85 blocksWyomingMontanaIdahoWashingtonTexasCaliforniaArizonaNevadaUtahColoradoNew MexicoOregonNorth DakotaSouth DakotaNebraskaIowaMississippiIndianaIllinoisMinnesotaWisconsinMissouriArkansasOklahomaKansasLouisianaVirginiaDistrict of Columbia

Top area codes

Bars show total blocks; red overlay is recent.

24840586147341081010313894725171

Block assignments by year

46 06
10
11
12
14
15
16
17

Member OCNs

1 OCN roll up under Grid 4 Communications.

OCNCompany name on fileHQTypeTotalRecent
9714 Grid 4 Communications Inc - MI Birmingham, MI Underlying Local Exchange Carrier 85 —