NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

DE TOUR prefixes in area code 906

NANPA records 3 assigned NXX blocks to rate center DE TOUR in area code 906, 0.8% of the 360 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 3 holders hold those blocks, the largest being BRIGHTSPEED OF UPPER MICHIGAN, INC. (1), PENINSULA FIBER NETWORK, LLC - MI (1), INTERACTIVE SERVICES NETWORK, INC. (1). The earliest assignment on record here is 2004-12-06 and the most recent 2013-10-01. 1 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

3 assigned blocks – 0.8% of 906
3 holders of record
1 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
906-297 Brightspeed BRIGHTSPEED OF UPPER MICHIGAN, INC. – no yes
906-459 PENINSULA FIBER NETWORK, LLC - MI 2013-10-01 yes yes
906-710 INTERACTIVE SERVICES NETWORK, INC. 2004-12-06 no yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
BRIGHTSPEED OF UPPER MICHIGAN, INC. Brightspeed 1 33.3%
PENINSULA FIBER NETWORK, LLC - MI – 1 33.3%
INTERACTIVE SERVICES NETWORK, INC. – 1 33.3%

Frequently asked

Which prefixes belong to DE TOUR in area code 906?

3 blocks: 297, 459, 710. The table above gives the holder of each.

Which carriers have numbers in DE TOUR?

BRIGHTSPEED OF UPPER MICHIGAN, INC. (1 block), PENINSULA FIBER NETWORK, LLC - MI (1 block), INTERACTIVE SERVICES NETWORK, INC. (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is DE TOUR a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 906

All 360 prefixes in 906