Long shot, but worth calling.

Interactive Services Network Inc issued these blocks a while back. Most of the numbers are probably already with customers, but it's worth calling any you're interested in. If a number isn't in service, it might still be available at Interactive Services Network Inc or one of their resellers.

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About Telnet Worldwide

TelNet Worldwide is a Michigan-based telecommunications provider offering VoIP, SIP trunking, cloud PBX, unified communications, data center colocation, and contact center services primarily to businesses. It serves enterprise customers including the Merit Network and has achieved STIR/SHAKEN certification for call authentication. The company operates as a competitive carrier with OCNs in at least two states and manages 463 thousand-number blocks.

Sources: TelNet Worldwide: Communication Solutions for Your Business · TelNet Worldwide of Michigan awarded stringent spoof-proof phone certification · TelNet Worldwide - Overview, News & Similar companies - ZoomInfo

Toll-free side: Related toll-free RespOrg: TelNet Worldwide (code PXP01). View on resporgs.com →

Carrier website

Homepage screenshot of Interactive Services Network Inc telnetww.com: opens in a new tab

HQ: Troy, MI

Street view of Interactive Services Network Inc HQ
Street view
Satellite view of Interactive Services Network Inc HQ
Satellite

Block portfolio at a glance

Block assignments by year

01
03
04
10 05

Area codes

NPABlocksRecentLast
906 38 · 2005-08-03
231 1 · ·

States

StateBlocksRecent
MI 39 ·

Sister OCNs in the Telnet Worldwide group

Same customer-facing carrier, different state-registered OCN. Combined stats are on the Telnet Worldwide group page.

OCNCompany name on fileHQ stateTotalRecent
817J Interactive Services Network Inc MI 424 1