Local Calling Guide
Area code/prefix search
Mount Zion, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 217-350
| A |
SPFDILMB0MD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
374 |
|
|
|
| 217-350
| 0 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
374 |
|
|
|
| 217-350
| 2 |
|
224C ONVOY, LLC |
374 |
|
2022-04-17 |
|
| 217-350
| 3 |
|
5562 METROPCS, INC. |
374 |
|
2015-07-04 |
|
| 217-350
| 4 |
|
6529 T-MOBILE USA, INC. |
374 |
|
2024-03-08 |
|
| 217-350
| 5 |
|
224C ONVOY, LLC |
374 |
|
2022-12-22 |
|
| 217-350
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
374 |
|
2019-04-08 |
|
| 217-350
| 7 |
|
224C ONVOY, LLC |
374 |
|
2019-07-27 |
|
| 217-350
| 8 |
|
224C ONVOY, LLC |
374 |
|
2019-07-27 |
|
| 217-350
| 9 |
|
495J STRATUS NETWORKS |
374 |
|
2020-11-13 |
|
| 217-571
| A |
SPFDILESXVX |
318J COMCAST IP PHONE, LLC |
374 |
|
|
|
| 217-571
| 0 |
|
318J COMCAST IP PHONE, LLC |
374 |
|
2007-10-05 |
|
| 217-571
| 1 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
374 |
|
2025-09-07 |
|
| 217-571
| 2 |
|
224C ONVOY, LLC |
374 |
|
2020-05-21 |
|
| 217-571
| 3 |
|
224C ONVOY, LLC |
374 |
|
2020-05-21 |
|
| 217-571
| 4 |
|
224C ONVOY, LLC |
374 |
|
2020-05-21 |
|
| 217-571
| 5 |
|
224C ONVOY, LLC |
374 |
|
2021-02-26 |
|
| 217-571
| 7 |
|
224C ONVOY, LLC |
374 |
|
2018-07-30 |
|
| 217-571
| 8 |
|
224C ONVOY, LLC |
374 |
|
2023-03-24 |
|
| 217-571
| 9 |
|
073H TELNYX LLC |
374 |
|
2023-11-12 |
|
| 217-864
| A |
MTZNILXCDS2 |
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 0 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 1 |
|
318J COMCAST IP PHONE, LLC |
374 |
|
2006-08-25 |
|
| 217-864
| 2 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 3 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 4 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 5 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 6 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 217-864
| 7 |
|
224C ONVOY, LLC |
374 |
|
2023-05-27 |
|
| 217-864
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
374 |
|
2005-02-14 |
|
| 217-864
| 9 |
|
1015 FRONTIER NORTH, INC. - IL |
374 |
|
|
|
| 447-424
| A |
SPFDILESXQX |
624H ONVOY SPECTRUM, LLC |
374 |
|
2024-06-28 |
|
| 447-424
| 0 |
|
624H ONVOY SPECTRUM, LLC |
374 |
|
2024-06-28 |
|
| 447-424
| 4 |
|
145J TERRA NOVA TELECOM INC. |
374 |
|
2025-06-01 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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