Local Calling Guide
Area code/prefix search
NPA: 309
[Rate centres in NPA 309]
[Dial plan for NPA 309]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 309-376
| A |
Carlock |
IL |
CRLCILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-376
| 1 |
Carlock |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
| 309-376
| 2 |
Carlock |
IL |
CRLCILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-376
| 3 |
Carlock |
IL |
CRLCILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-376
| 4 |
Carlock |
IL |
CRLCILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-376
| 5 |
Carlock |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2020-05-21 |
|
| 309-376
| 6 |
Carlock |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 309-376
| 7 |
Carlock |
IL |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-07-29 |
|
| 309-376
| 8 |
Carlock |
IL |
BLTNILATVMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2004-07-16 |
|
| 309-376
| 9 |
Carlock |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
| 309-377
| A |
Cropsey |
IL |
CRPSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-377
| 0 |
Cropsey |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
| 309-377
| 1 |
Cropsey |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-07-14 |
|
| 309-377
| 2 |
Cropsey |
IL |
CRPSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-377
| 3 |
Cropsey |
IL |
CRPSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-377
| 4 |
Cropsey |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2020-05-21 |
|
| 309-377
| 5 |
Cropsey |
IL |
BLTNILATVMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2004-07-16 |
|
| 309-377
| 6 |
Cropsey |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2019-01-17 |
|
| 309-377
| 7 |
Cropsey |
IL |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-12 |
|
| 309-377
| 8 |
Cropsey |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2020-05-21 |
|
| 309-377
| 9 |
Cropsey |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2020-05-21 |
|
| 309-378
| A |
Downs |
IL |
DWNSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-378
| 0 |
Downs |
IL |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-15 |
|
| 309-378
| 1 |
Downs |
IL |
DWNSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-378
| 2 |
Downs |
IL |
DWNSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-378
| 3 |
Downs |
IL |
DWNSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-378
| 4 |
Downs |
IL |
DWNSILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-378
| 6 |
Downs |
IL |
BLTNILXDXHY |
624H ONVOY SPECTRUM, LLC |
366 |
|
2023-06-02 |
|
| 309-378
| 8 |
Downs |
IL |
BLTNILATVMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2004-07-16 |
|
| 309-378
| 9 |
Downs |
IL |
BLTNILTSYMD |
495J STRATUS NETWORKS |
366 |
|
2020-10-14 |
|
| 309-379
| A |
Stanford |
IL |
STFRILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-379
| 0 |
Stanford |
IL |
BLTNILXDXPX |
846F MEDIACOM TELEPHONY OF ILLINOIS, LLC - IL |
366 |
|
2010-03-15 |
|
| 309-379
| 1 |
Stanford |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2021-08-12 |
|
| 309-379
| 2 |
Stanford |
IL |
STFRILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-379
| 3 |
Stanford |
IL |
STFRILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-379
| 4 |
Stanford |
IL |
STFRILXDRS0 |
1015 FRONTIER NORTH, INC. - IL |
366 |
|
|
|
| 309-379
| 5 |
Stanford |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2021-07-04 |
|
| 309-379
| 7 |
Stanford |
IL |
BLTNILXDXZX |
508J CENTURYLINK COMMUNICATIONS, LLC |
366 |
|
2014-08-13 |
|
| 309-379
| 8 |
Stanford |
IL |
BLTNILATVMD |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
366 |
|
2004-07-17 |
|
| 309-379
| 9 |
Stanford |
IL |
BLTNILXDXMX |
224C ONVOY, LLC |
366 |
|
2021-04-03 |
|
| 309-380
| A |
Rock Island |
IL |
RCISILRIX8X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
634 |
|
2024-08-29 |
|
| 309-380
| 0 |
Rock Island |
IL |
MNPLIAXCJMD |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
634 |
|
2024-10-26 |
|
| 309-380
| 1 |
Rock Island |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
634 |
|
2025-02-14 |
|
| 309-380
| 2 |
Rock Island |
IL |
|
6265 UNITED STATES CELLULAR - IL |
634 |
|
2025-11-10 |
|
| 309-380
| 7 |
Rock Island |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
634 |
|
2025-12-01 |
|
| 309-380
| 8 |
Rock Island |
IL |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
634 |
|
2025-02-14 |
|
| 309-380
| 9 |
Rock Island |
IL |
RCISILRIX8X |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
634 |
|
2024-08-29 |
|
| 309-381
| A |
Galesburg |
IL |
GLBGILXDGMD |
197D VONAGE AMERICA LLC |
977 |
|
|
|
| 309-381
| 0 |
Galesburg |
IL |
GLBGILXDGMD |
197D VONAGE AMERICA LLC |
977 |
|
2019-11-21 |
|
| 309-381
| 1 |
Galesburg |
IL |
GLBGILXDDMD |
224C ONVOY, LLC |
977 |
|
2021-02-26 |
|
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Last updated: Tue, 16 Jun 2026 00:09:45 UTC
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