Local Calling Guide
Area code/prefix search
NPA: 630
[Rate centres in NPA 630]
[Dial plan for NPA 630]
NXX: 481
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 630-481
| A |
Oak Brook |
IL |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 0 |
Oak Brook |
IL |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2016-04-07 |
|
| 630-481
| 1 |
Oak Brook |
IL |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 2 |
Oak Brook |
IL |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 3 |
Oak Brook |
IL |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 4 |
Oak Brook |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2014-03-07 |
|
| 630-481
| 5 |
Oak Brook |
IL |
CHCGILCPDS9 |
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2014-02-25 |
|
| 630-481
| 6 |
Oak Brook |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-05 |
|
| 630-481
| 7 |
Oak Brook |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-05 |
|
| 630-481
| 8 |
Oak Brook |
IL |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 630-481
| 9 |
Oak Brook |
IL |
OKBRILOADC2 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
Last updated: Thu, 16 Oct 2025 03:04:18 UTC
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