Local Calling Guide
Area code/prefix search
Sycamore, IL
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 779-222
| A |
DKLBILRSTMD |
073H TELNYX LLC |
364 |
|
|
|
| 779-222
| 0 |
|
073H TELNYX LLC |
364 |
|
2020-07-20 |
|
| 779-222
| 1 |
|
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
364 |
|
2017-09-18 |
|
| 779-222
| 2 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2013-12-20 |
|
| 779-222
| 3 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
364 |
|
2014-11-05 |
|
| 779-222
| 4 |
|
318J COMCAST IP PHONE, LLC |
364 |
|
2014-09-15 |
|
| 779-222
| 5 |
|
224C ONVOY, LLC |
364 |
|
2018-08-01 |
|
| 779-222
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2015-07-12 |
|
| 779-222
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
364 |
|
2014-08-08 |
|
| 779-222
| 8 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
364 |
|
2018-12-08 |
|
| 779-222
| 9 |
|
495J STRATUS NETWORKS |
364 |
|
2020-10-14 |
|
| 779-367
| A |
DIXNIL354MD |
732J NUSO, LLC |
364 |
|
|
|
| 779-367
| 0 |
|
224C ONVOY, LLC |
364 |
|
2024-03-07 |
|
| 779-367
| 1 |
|
732J NUSO, LLC |
364 |
|
2023-05-01 |
|
| 779-367
| 3 |
|
624H ONVOY SPECTRUM, LLC |
364 |
|
2023-07-07 |
|
| 779-367
| 4 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2025-12-07 |
|
| 779-367
| 5 |
|
224C ONVOY, LLC |
364 |
|
2023-08-12 |
|
| 779-367
| 6 |
|
224C ONVOY, LLC |
364 |
|
2023-08-12 |
|
| 779-367
| 7 |
|
224C ONVOY, LLC |
364 |
|
2023-08-12 |
|
| 779-367
| 8 |
|
224C ONVOY, LLC |
364 |
|
2023-08-12 |
|
| 779-367
| 9 |
|
224C ONVOY, LLC |
364 |
|
2023-08-12 |
|
| 779-759
| A |
DIXNILXA4MD |
224C ONVOY, LLC |
364 |
|
|
|
| 779-759
| 0 |
|
073H TELNYX LLC |
364 |
|
2023-03-19 |
|
| 779-759
| 1 |
|
6529 T-MOBILE USA, INC. |
364 |
|
2024-03-09 |
|
| 779-759
| 2 |
|
6529 T-MOBILE USA, INC. |
364 |
|
2024-03-09 |
|
| 779-759
| 3 |
|
224C ONVOY, LLC |
364 |
|
2024-07-15 |
|
| 779-759
| 5 |
|
224C ONVOY, LLC |
364 |
|
2021-11-18 |
|
| 779-759
| 6 |
|
224C ONVOY, LLC |
364 |
|
2021-11-18 |
|
| 779-759
| 7 |
|
224C ONVOY, LLC |
364 |
|
2021-06-13 |
|
| 779-759
| 8 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2025-12-01 |
|
| 779-759
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2023-09-23 |
|
| 815-739
| A |
DKLBILRSDMD |
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 0 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 1 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 2 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 3 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 4 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 5 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 6 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 7 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 8 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-739
| 9 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-895
| A |
SYCMILXADS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-899
| A |
SYCMILXADS0 |
1036 FRONTIER NORTH, INC. - IL |
364 |
|
|
|
| 815-970
| A |
DKLBILRSDMD |
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 0 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 1 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 2 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 3 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 4 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 5 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 6 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 7 |
|
5562 METROPCS, INC. |
364 |
|
|
|
| 815-970
| 8 |
|
318J COMCAST IP PHONE, LLC |
364 |
|
2020-12-08 |
|
| 815-970
| 9 |
|
224C ONVOY, LLC |
364 |
|
2021-04-03 |
|
| 815-991
| A |
DKLBILRSNMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
|
|
| 815-991
| 0 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2019-12-15 |
|
| 815-991
| 1 |
|
224C ONVOY, LLC |
364 |
|
2018-10-01 |
|
| 815-991
| 2 |
|
972C DIGITAL NETWORK ACCESS COMMUNICATIONS, INC. - IL |
364 |
|
2005-10-17 |
|
| 815-991
| 3 |
|
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
364 |
|
2019-03-29 |
|
| 815-991
| 4 |
|
224C ONVOY, LLC |
364 |
|
2019-09-07 |
|
| 815-991
| 5 |
|
318J COMCAST IP PHONE, LLC |
364 |
|
2005-07-01 |
|
| 815-991
| 6 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
364 |
|
2017-02-23 |
|
| 815-991
| 7 |
|
259E YMAX COMMUNICATIONS CORP. - IL |
364 |
|
2011-04-06 |
|
| 815-991
| 8 |
|
259E YMAX COMMUNICATIONS CORP. - IL |
364 |
|
2011-04-06 |
|
| 815-991
| 9 |
|
318J COMCAST IP PHONE, LLC |
364 |
|
2008-01-14 |
|
Last updated: Thu, 01 Jan 2026 03:59:49 UTC
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