Local Calling Guide
Area code/prefix search
Saybrook, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 309-475
| A |
SYBKILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-475
| 1 |
BLTNILXDX1Y |
073H TELNYX LLC |
366 |
|
2020-07-19 |
|
| 309-475
| 2 |
SYBKILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-475
| 3 |
|
145J TERRA NOVA TELECOM INC. |
366 |
|
2023-06-24 |
|
| 309-475
| 4 |
|
145J TERRA NOVA TELECOM INC. |
366 |
|
2022-04-09 |
|
| 309-475
| 6 |
SYBKILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-475
| 7 |
BLTNILTSYMD |
495J STRATUS NETWORKS |
366 |
|
2020-10-14 |
|
| 309-475
| 8 |
BLTNILTS7MD |
145J TERRA NOVA TELECOM INC. |
366 |
|
2024-02-10 |
|
| 309-475
| 9 |
SYBKILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-893
| A |
BLTNILATVMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
|
|
| 309-893
| 0 |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-15 |
|
| 309-893
| 1 |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
| 309-893
| 2 |
BLTNILXDXHY |
624H ONVOY SPECTRUM, LLC |
366 |
|
2023-06-02 |
|
| 309-893
| 4 |
BLTNILATVMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
|
|
| 309-893
| 7 |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-13 |
|
| 309-893
| 8 |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 309-893
| 9 |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
Last updated: Sun, 26 Jan 2025 15:59:20 UTC
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