Local Calling Guide
Area code/prefix search
Colfax, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 309-560
| A |
BLTNILXDX0X |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
366 |
|
|
|
| 309-560
| 0 |
|
073H TELNYX LLC |
366 |
|
2020-06-26 |
|
| 309-560
| 1 |
|
495J STRATUS NETWORKS |
366 |
|
2020-10-14 |
|
| 309-560
| 3 |
|
624H ONVOY SPECTRUM, LLC |
366 |
|
2023-06-02 |
|
| 309-560
| 5 |
|
224C ONVOY, LLC |
366 |
|
2021-02-26 |
|
| 309-560
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
366 |
|
2020-03-22 |
|
| 309-723
| A |
CLFXILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-723
| 1 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-15 |
|
| 309-723
| 2 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-723
| 3 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-723
| 4 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-723
| 5 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-723
| 6 |
|
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-723
| 7 |
|
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 309-723
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2004-07-16 |
|
| 309-723
| 9 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-12 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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