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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
2 blocks · contact the number directly

HQ: Oshkosh, WI

Street view of Northern Telephone and Data Corporation - WI HQ
Street view
Satellite view of Northern Telephone and Data Corporation - WI HQ
Satellite

Block portfolio at a glance

By age

Old: 22blocks
  • Recent (0). Last 18 mo
  • Medium (0)
  • Old (2)

Footprint by state

Stronger blue = more blocks issued in that state. ● marks states with activity in the last 18 months.

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Top area codes

Bars show total blocks; red overlay is recent.

9202

Block assignments by year

1 01
1 04

Area codes

NPABlocksRecentLast
920 2 · 2004-11-02

States

StateBlocksRecent
WI 2 ·