Local Calling Guide
Area code/prefix search
NPA: 331
[Rate centres in NPA 331]
[Dial plan for NPA 331]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-707
| A |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-707
| 0 |
Aurora |
IL |
CHCGILDTKMD |
5447 ACCESS ONE, INC. - IL |
358 |
|
2017-07-06 |
|
| 331-707
| 2 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2017-04-18 |
|
| 331-707
| 3 |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2017-01-06 |
|
| 331-707
| 4 |
Aurora |
IL |
CHCGILWUDS4 |
063E PEERLESS NETWORK OF ILLINOIS, LLC - IL |
358 |
|
2016-12-09 |
|
| 331-707
| 5 |
Aurora |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2017-09-08 |
|
| 331-707
| 6 |
Aurora |
IL |
WCHCILBFGT0 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2017-08-21 |
|
| 331-707
| 7 |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-10-20 |
|
| 331-707
| 8 |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-10-20 |
|
| 331-707
| 9 |
Aurora |
IL |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2016-10-20 |
|
| 331-716
| A |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
|
|
| 331-716
| 0 |
Wheaton |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2016-07-10 |
|
| 331-716
| 1 |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-03 |
|
| 331-716
| 2 |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-03 |
|
| 331-716
| 3 |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-03 |
|
| 331-716
| 4 |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-716
| 5 |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-716
| 6 |
Wheaton |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-01 |
|
| 331-716
| 7 |
Wheaton |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2016-08-08 |
|
| 331-716
| 8 |
Wheaton |
IL |
|
515J IP HORIZON LLC |
358 |
|
2016-08-09 |
|
| 331-716
| 9 |
Wheaton |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2016-08-18 |
|
| 331-717
| A |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 331-717
| 0 |
Oswego |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-06 |
|
| 331-717
| 1 |
Oswego |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-03-06 |
|
| 331-717
| 2 |
Oswego |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-05-29 |
|
| 331-717
| 3 |
Oswego |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2016-07-18 |
|
| 331-717
| 4 |
Oswego |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-14 |
|
| 331-717
| 5 |
Oswego |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2019-07-14 |
|
| 331-717
| 6 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-12-28 |
|
| 331-717
| 7 |
Oswego |
IL |
CHCGILWUJMD |
073H TELNYX LLC |
358 |
|
2017-04-24 |
|
| 331-717
| 8 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-08-21 |
|
| 331-717
| 9 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-03-03 |
|
| 331-725
| A |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 331-725
| 0 |
Oswego |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-09-10 |
|
| 331-725
| 1 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-10-10 |
|
| 331-725
| 2 |
Oswego |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-10-30 |
|
| 331-725
| 3 |
Oswego |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-10 |
|
| 331-725
| 4 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-03-01 |
|
| 331-725
| 5 |
Oswego |
IL |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-10-16 |
|
| 331-725
| 6 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-08-08 |
|
| 331-725
| 7 |
Oswego |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-03-11 |
|
| 331-725
| 8 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-03-12 |
|
| 331-725
| 9 |
Oswego |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-07-12 |
|
| 331-732
| A |
Geneva |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
|
|
| 331-732
| 0 |
Geneva |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-02-18 |
|
| 331-732
| 1 |
Geneva |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-02-18 |
|
| 331-732
| 2 |
Geneva |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-02-18 |
|
| 331-732
| 3 |
Geneva |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-02-18 |
|
| 331-732
| 4 |
Geneva |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2020-02-18 |
|
| 331-732
| 5 |
Geneva |
IL |
CHCGILWURMD |
965H FRACTEL, LLC |
358 |
|
2019-12-12 |
|
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Last updated: Sat, 04 Jul 2026 13:07:56 UTC
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