Local Calling Guide
Area code/prefix search
Spring Valley, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-349
| A |
PEORILPJX1Y |
6529 T-MOBILE USA, INC. |
368 |
|
|
|
| 779-349
| 3 |
|
224C ONVOY, LLC |
368 |
|
2024-12-30 |
|
| 779-349
| 7 |
|
6529 T-MOBILE USA, INC. |
368 |
|
2022-02-25 |
|
| 779-349
| 8 |
|
6529 T-MOBILE USA, INC. |
368 |
|
2022-02-25 |
|
| 779-349
| 9 |
|
6529 T-MOBILE USA, INC. |
368 |
|
2022-02-25 |
|
| 779-717
| A |
PEORILPJDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
368 |
|
|
|
| 779-717
| 0 |
|
495J STRATUS NETWORKS |
368 |
|
2020-08-02 |
|
| 779-717
| 1 |
|
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
368 |
|
2015-12-06 |
|
| 779-717
| 2 |
|
6529 T-MOBILE USA, INC. |
368 |
|
2017-05-25 |
|
| 779-717
| 3 |
|
6529 T-MOBILE USA, INC. |
368 |
|
2017-05-25 |
|
| 779-717
| 4 |
|
6529 T-MOBILE USA, INC. |
368 |
|
2017-05-25 |
|
| 779-717
| 5 |
|
624H ONVOY SPECTRUM, LLC |
368 |
|
2021-06-29 |
|
| 779-717
| 6 |
|
624H ONVOY SPECTRUM, LLC |
368 |
|
2021-11-13 |
|
| 779-717
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
368 |
|
2016-08-05 |
|
| 779-717
| 8 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
368 |
|
2018-12-18 |
|
| 779-717
| 9 |
|
624H ONVOY SPECTRUM, LLC |
368 |
|
2021-11-13 |
|
| 815-663
| A |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 0 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 1 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 2 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 3 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 4 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 5 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 6 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-663
| 7 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
368 |
|
2010-08-23 |
|
| 815-663
| 8 |
|
318J COMCAST IP PHONE, LLC |
368 |
|
2007-09-23 |
|
| 815-663
| 9 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
368 |
|
2023-12-11 |
|
| 815-664
| A |
SPVYILXARS0 |
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 0 |
|
318J COMCAST IP PHONE, LLC |
368 |
|
2006-08-09 |
|
| 815-664
| 1 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 2 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 3 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
368 |
|
2002-10-17 |
|
| 815-664
| 4 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 5 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 6 |
|
145J TERRA NOVA TELECOM INC. |
368 |
|
2025-12-29 |
|
| 815-664
| 7 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
| 815-664
| 8 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
368 |
|
2006-01-23 |
|
| 815-664
| 9 |
|
1015 FRONTIER NORTH, INC. - IL |
368 |
|
|
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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