Local Calling Guide
Area code/prefix search
Mount Carroll, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 815-244
| A |
MTCAILXARS0 |
1057 BRIGHTSPEED OF ILLINOIS, LLC |
364 |
|
|
|
| 815-906
| A |
DIXNILXA0MD |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
|
|
| 815-906
| 0 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
2010-04-09 |
|
| 815-906
| 1 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2021-06-14 |
|
| 815-906
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2021-07-16 |
|
| 815-906
| 3 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2022-06-04 |
|
| 815-906
| 4 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2024-08-03 |
|
| 815-906
| 5 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
364 |
|
2025-09-07 |
|
| 815-906
| 6 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
364 |
|
2019-11-15 |
|
| 815-906
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
364 |
|
2014-07-29 |
|
| 815-906
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2025-04-28 |
|
| 815-906
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2023-06-03 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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