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

ROSELLE prefixes in area code 630

NANPA records 77 assigned NXX blocks to rate center ROSELLE in area code 630, 9.8% of the 782 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. 10 holders hold those blocks, the largest being NEW CINGULAR WIRELESS PCS, LLC - IL (45), ILLINOIS BELL TEL CO (16), TELEPORT COMMUNICATIONS AMERICA, LLC - IL (3). The earliest assignment on record here is 2001-04-11 and the most recent 2002-06-10. 50 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 224, 312, 331, 708 – overlay codes cover the same geography, so a rate center is served by all of them.

77 assigned blocks – 9.8% of 630
10 holders of record
50 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
630-217 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-220 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-237 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - IL – yes yes
630-254 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-259 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
630-267 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-278 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-283 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - IL – yes yes
630-284 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-287 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-295 AT&T ILLINOIS BELL TEL CO – no yes
630-306 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-307 AT&T ILLINOIS BELL TEL CO – no yes
630-314 AT&T ILLINOIS BELL TEL CO – no yes
630-329 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-336 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-337 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-339 Lumen LEVEL 3 COMMUNICATIONS, LLC - IL – yes yes
630-347 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-351 AT&T ILLINOIS BELL TEL CO – no yes
630-363 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-373 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-380 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-431 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-436 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-439 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
630-461 T-Mobile T-MOBILE USA, INC. – yes yes
630-464 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-471 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-494 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-507 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-523 Windstream PAETEC ITEL, LLC 2001-04-11 yes yes
630-525 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-529 AT&T ILLINOIS BELL TEL CO – no yes
630-539 AT&T ILLINOIS BELL TEL CO – yes yes
630-542 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-558 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-565 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-582 AT&T ILLINOIS BELL TEL CO – no yes
630-602 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-603 AT&T ILLINOIS BELL TEL CO – no yes
630-609 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-610 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-612 AT&T ILLINOIS BELL TEL CO – no yes
630-622 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
630-624 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-635 AT&T AT&T - LOCAL – yes yes
630-641 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-648 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-671 AT&T ILLINOIS BELL TEL CO – yes yes
630-672 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL – yes yes
630-675 T-Mobile T-MOBILE USA, INC. – yes yes
630-702 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-709 T-Mobile METROPCS, INC. 2002-06-10 yes yes
630-744 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-751 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-764 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-767 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-804 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-807 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-814 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-825 Windstream PAETEC ITEL, LLC – yes yes
630-826 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-872 AT&T ILLINOIS BELL TEL CO – yes yes
630-893 AT&T ILLINOIS BELL TEL CO – no yes
630-894 AT&T ILLINOIS BELL TEL CO – no yes
630-899 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-905 AT&T ILLINOIS BELL TEL CO – no yes
630-912 AT&T TELEPORT COMMUNICATIONS AMERICA, LLC - IL – yes yes
630-917 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – no yes
630-924 AT&T ILLINOIS BELL TEL CO – no yes
630-973 T-Mobile T-MOBILE USA, INC. 2001-04-19 yes yes
630-977 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-980 AT&T ILLINOIS BELL TEL CO – no yes
630-987 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – yes yes
630-994 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL – yes yes
630-997 AT&T NEW CINGULAR WIRELESS PCS, LLC - IL – 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 45 58.4%
ILLINOIS BELL TEL CO AT&T 16 20.8%
TELEPORT COMMUNICATIONS AMERICA, LLC - IL AT&T 3 3.9%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 3 3.9%
T-MOBILE USA, INC. T-Mobile 3 3.9%
PAETEC ITEL, LLC Windstream 2 2.6%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL Verizon 2 2.6%
LEVEL 3 COMMUNICATIONS, LLC - IL Lumen 1 1.3%
AT&T - LOCAL AT&T 1 1.3%
METROPCS, INC. T-Mobile 1 1.3%

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 ROSELLE in area code 630?

77 blocks: 217, 220, 237, 254, 259, 267, 278, 283, 284, 287, 295, 306 and 65 more, all listed in the table above.

Which carriers have numbers in ROSELLE?

NEW CINGULAR WIRELESS PCS, LLC - IL (45 blocks), ILLINOIS BELL TEL CO (16 blocks), TELEPORT COMMUNICATIONS AMERICA, LLC - IL (3 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC (3 blocks), T-MOBILE USA, INC. (3 blocks), PAETEC ITEL, LLC (2 blocks). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is ROSELLE 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 630

All 782 prefixes in 630