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

COGGON prefixes in area code 319

NANPA records 3 assigned NXX blocks to rate center COGGON in area code 319, 0.5% of the 565 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 ONVOY SPECTRUM, LLC (1), QWEST CORPORATION (1), ONVOY, LLC - IA (1). The earliest assignment on record here is 2016-03-15 and the most recent 2021-06-21. 3 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.

3 assigned blocks – 0.5% of 319
3 holders of record
3 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
319-370 Charter ONVOY SPECTRUM, LLC 2021-06-21 yes yes
319-435 Lumen QWEST CORPORATION – yes yes
319-727 Onvoy ONVOY, LLC - IA 2016-03-15 yes 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
ONVOY SPECTRUM, LLC Charter 1 33.3%
QWEST CORPORATION Lumen 1 33.3%
ONVOY, LLC - IA Onvoy 1 33.3%

Frequently asked

Which prefixes belong to COGGON in area code 319?

3 blocks: 370, 435, 727. The table above gives the holder of each.

Which carriers have numbers in COGGON?

ONVOY SPECTRUM, LLC (1 block), QWEST CORPORATION (1 block), ONVOY, LLC - IA (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is COGGON 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 319

All 565 prefixes in 319