Local Calling Guide
Area code/prefix search
Williamsburg, IA
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 319-660
| A |
CDRRIADTX9X |
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
|
|
| 319-660
| 0 |
|
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
|
|
| 319-660
| 7 |
|
9877 LEVEL 3 COMMUNICATIONS, LLC - IA |
635 |
|
2017-06-16 |
|
| 319-660
| 9 |
|
145J TERRA NOVA TELECOM INC. |
635 |
|
2025-05-31 |
|
| 319-661
| A |
CDRRIADTX9X |
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
|
|
| 319-661
| 0 |
|
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
|
|
| 319-661
| 1 |
|
544H INTEGRATED PATH COMMUNCATIONS, LLC - IA |
635 |
|
2015-06-04 |
|
| 319-661
| 2 |
|
221F ONVOY, LLC - IA |
635 |
|
2021-09-20 |
|
| 319-661
| 3 |
|
221F ONVOY, LLC - IA |
635 |
|
2021-05-07 |
|
| 319-661
| 6 |
|
8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA |
635 |
|
2023-02-02 |
|
| 319-661
| 9 |
|
444G AUREON COMMUNICATIONS, LLC |
635 |
|
2013-07-21 |
|
| 319-668
| A |
WLBGIAXODS0 |
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-668
| 0 |
|
6529 T-MOBILE USA, INC. |
635 |
|
2008-11-15 |
|
| 319-668
| 1 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-668
| 2 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-668
| 3 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-668
| 4 |
|
593K MCC TELEPHONY LLC |
635 |
|
2010-05-06 |
|
| 319-668
| 6 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-668
| 8 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-668
| 9 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-722
| A |
WLBGIAXOPS0 |
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
|
|
| 319-722
| 1 |
|
6529 T-MOBILE USA, INC. |
635 |
|
2018-04-09 |
|
| 319-722
| 2 |
|
6529 T-MOBILE USA, INC. |
635 |
|
2018-04-09 |
|
| 319-722
| 4 |
|
490J DISH WIRELESS, LLC |
635 |
|
2023-12-18 |
|
| 319-722
| 7 |
|
5562 METROPCS, INC. |
635 |
|
2018-07-13 |
|
| 319-722
| 8 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
635 |
|
2018-03-01 |
|
| 319-722
| 9 |
|
1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH |
635 |
|
2015-08-25 |
|
Last updated: Tue, 13 Jan 2026 21:50:02 UTC
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