Local Calling Guide
Area code/prefix search
Oak Brook, IL
1 2 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 630-218
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-368
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-472
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-481
| A |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 0 |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2016-04-07 |
|
| 630-481
| 1 |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 2 |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 3 |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 4 |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2014-03-07 |
|
| 630-481
| 5 |
CHCGILCPDS9 |
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2014-02-25 |
|
| 630-481
| 6 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-05 |
|
| 630-481
| 7 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-05 |
|
| 630-481
| 8 |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 9 |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-571
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-572
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-573
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 0 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 1 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 2 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 3 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 4 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 5 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 6 |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 630-574
| 7 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 8 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-574
| 9 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-575
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 0 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 1 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 2 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 3 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 4 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 5 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 6 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 7 |
CHCGILWUIMD |
197D VONAGE AMERICA LLC |
358 |
|
2020-10-12 |
|
| 630-586
| 8 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-586
| 9 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| A |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 0 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 1 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 2 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 3 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 4 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 5 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 6 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 7 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
| 630-623
| 8 |
OKBRILOADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
|
|
1 2 >>
Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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