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

FOX LAKE prefixes in area code 224

NANPA records 7 assigned NXX blocks to rate center FOX LAKE in area code 224, 1.2% of the 595 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. 4 holders hold those blocks, the largest being NEW CINGULAR WIRELESS PCS, LLC - IL (4), AT&T ENTERPRISES, LLC (1), ONVOY, LLC (1). The earliest assignment on record here is 2006-06-19 and the most recent 2025-02-05. 7 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 847, 920 – overlay codes cover the same geography, so a rate center is served by all of them.

7 assigned blocks – 1.2% of 224
4 holders of record
7 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
224-225 AT&T AT&T ENTERPRISES, LLC 2006-06-19 yes yes
224-243 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2009-11-06 yes yes
224-337 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2013-03-19 yes yes
224-376 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2021-03-25 yes yes
224-426 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL 2016-11-29 yes yes
224-640 Onvoy ONVOY, LLC 2025-02-05 yes yes
224-908 Comcast COMCAST IP PHONE, LLC 2015-03-06 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
NEW CINGULAR WIRELESS PCS, LLC - IL AT&T 4 57.1%
AT&T ENTERPRISES, LLC AT&T 1 14.3%
ONVOY, LLC Onvoy 1 14.3%
COMCAST IP PHONE, LLC Comcast 1 14.3%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to FOX LAKE in area code 224?

7 blocks: 225, 243, 337, 376, 426, 640, 908. The table above gives the holder of each.

Which carriers have numbers in FOX LAKE?

NEW CINGULAR WIRELESS PCS, LLC - IL (4 blocks), AT&T ENTERPRISES, LLC (1 block), ONVOY, LLC (1 block), COMCAST IP PHONE, LLC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is FOX LAKE 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 224

All 595 prefixes in 224