Local Calling Guide
Area code/prefix search
NPA: 319
[Rate centres in NPA 319]
[Dial plan for NPA 319]
<< 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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 319-404
| 4 |
Waterloo |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
|
|
| 319-404
| 5 |
Waterloo |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
|
|
| 319-404
| 6 |
Waterloo |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
2011-10-29 |
|
| 319-404
| 7 |
Waterloo |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
|
|
| 319-404
| 8 |
Waterloo |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
|
|
| 319-404
| 9 |
Waterloo |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
|
|
| 319-405
| A |
Anamosa |
IA |
CDRRIADTNMD |
985E BANDWIDTH.COM CLEC, LLC - IA |
635 |
|
|
|
| 319-405
| 0 |
Anamosa |
IA |
CDRRIADTNMD |
985E BANDWIDTH.COM CLEC, LLC - IA |
635 |
|
2022-04-01 |
|
| 319-405
| 1 |
Anamosa |
IA |
CDRRIADTNMD |
985E BANDWIDTH.COM CLEC, LLC - IA |
635 |
|
2022-04-02 |
|
| 319-405
| 2 |
Anamosa |
IA |
|
515J IP HORIZON LLC |
635 |
|
2025-07-25 |
|
| 319-405
| 4 |
Anamosa |
IA |
|
5562 METROPCS, INC. |
635 |
|
2025-04-25 |
|
| 319-405
| 9 |
Anamosa |
IA |
CDRRIADTX9X |
6570 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IA |
635 |
|
2025-10-16 |
|
| 319-406
| A |
Denver |
IA |
CDRRIAAB4MD |
7421 AT&T - LOCAL |
635 |
|
|
|
| 319-406
| 0 |
Denver |
IA |
CDRRIAIC2MD |
593K MCC TELEPHONY LLC |
635 |
|
2010-05-09 |
|
| 319-406
| 1 |
Denver |
IA |
CDRRIAAB4MD |
7421 AT&T - LOCAL |
635 |
|
|
|
| 319-406
| 2 |
Denver |
IA |
CDRRIADTNMD |
985E BANDWIDTH.COM CLEC, LLC - IA |
635 |
|
2015-05-08 |
|
| 319-406
| 3 |
Denver |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2018-04-13 |
|
| 319-406
| 4 |
Denver |
IA |
IWCYIA701MD |
073H TELNYX LLC |
635 |
|
2018-06-27 |
|
| 319-406
| 5 |
Denver |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2021-03-14 |
|
| 319-406
| 6 |
Denver |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2019-09-19 |
|
| 319-406
| 7 |
Denver |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2008-09-04 |
|
| 319-406
| 8 |
Denver |
IA |
MNTIIAAKDS0 |
544H INTEGRATED PATH COMMUNCATIONS, LLC - IA |
635 |
|
2018-05-11 |
|
| 319-406
| 9 |
Denver |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2021-04-24 |
|
| 319-407
| A |
Waverly |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
|
|
| 319-407
| 0 |
Waverly |
IA |
CDRRIATS0MD |
6266 UNITED STATES CELLULAR - IA |
635 |
|
2022-02-14 |
|
| 319-407
| 1 |
Waverly |
IA |
IWCYIA702MD |
939H COMMIO, LLC |
635 |
|
2022-08-07 |
|
| 319-407
| 2 |
Waverly |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2022-02-15 |
|
| 319-407
| 3 |
Waverly |
IA |
CDRRIADTHMD |
624H ONVOY SPECTRUM, LLC |
635 |
|
2024-12-19 |
|
| 319-407
| 4 |
Waverly |
IA |
|
6266 UNITED STATES CELLULAR - IA |
635 |
|
2025-01-12 |
|
| 319-407
| 5 |
Waverly |
IA |
|
6266 UNITED STATES CELLULAR - IA |
635 |
|
2026-01-30 |
|
| 319-407
| 6 |
Waverly |
IA |
|
6266 UNITED STATES CELLULAR - IA |
635 |
|
2026-01-30 |
|
| 319-407
| 7 |
Waverly |
IA |
|
6266 UNITED STATES CELLULAR - IA |
635 |
|
2026-01-30 |
|
| 319-407
| 8 |
Waverly |
IA |
|
515J IP HORIZON LLC |
635 |
|
2025-08-15 |
|
| 319-407
| 9 |
Waverly |
IA |
|
221F ONVOY, LLC - IA |
635 |
|
2026-01-10 |
|
| 319-408
| A |
Lisbon |
IA |
MNCHIAXO2MD |
593K MCC TELEPHONY LLC |
635 |
|
|
|
| 319-408
| 0 |
Lisbon |
IA |
CDRRIADTX3X |
073H TELNYX LLC |
635 |
|
2020-05-28 |
|
| 319-408
| 1 |
Lisbon |
IA |
MNCHIAXO2MD |
593K MCC TELEPHONY LLC |
635 |
|
2010-05-07 |
|
| 319-408
| 2 |
Lisbon |
IA |
DESMIAITGT5 |
444G AUREON COMMUNICATIONS, LLC |
635 |
|
2019-09-17 |
|
| 319-408
| 4 |
Lisbon |
IA |
MNTIIAAKDS0 |
544H INTEGRATED PATH COMMUNCATIONS, LLC - IA |
635 |
|
2018-05-11 |
|
| 319-408
| 5 |
Lisbon |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2021-04-24 |
|
| 319-408
| 6 |
Lisbon |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2021-04-24 |
|
| 319-408
| 7 |
Lisbon |
IA |
CDRRIADTX2X |
508J CENTURYLINK COMMUNICATIONS, LLC |
635 |
|
2017-06-13 |
|
| 319-408
| 8 |
Lisbon |
IA |
CDRRIADTKMD |
221F ONVOY, LLC - IA |
635 |
|
2020-06-26 |
|
| 319-408
| 9 |
Lisbon |
IA |
CDRRIADTHMD |
624H ONVOY SPECTRUM, LLC |
635 |
|
2024-03-22 |
|
| 319-409
| A |
Cedar Rapids |
IA |
CDRRIADTYZZ |
829J PAETEC ITEL, LLC |
635 |
|
|
|
| 319-409
| 0 |
Cedar Rapids |
IA |
CDRRIAAX7MD |
6529 T-MOBILE USA, INC. |
635 |
|
2012-10-31 |
|
| 319-409
| 1 |
Cedar Rapids |
IA |
CDRRIADTYZZ |
829J PAETEC ITEL, LLC |
635 |
|
2012-01-21 |
|
| 319-409
| 2 |
Cedar Rapids |
IA |
CDRRIAAX7MD |
6529 T-MOBILE USA, INC. |
635 |
|
2012-10-31 |
|
| 319-409
| 3 |
Cedar Rapids |
IA |
CDRRIAAX7MD |
6529 T-MOBILE USA, INC. |
635 |
|
2012-10-31 |
|
| 319-409
| 4 |
Cedar Rapids |
IA |
CDRRIAAX7MD |
6529 T-MOBILE USA, INC. |
635 |
|
2012-10-31 |
|
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Last updated: Thu, 05 Feb 2026 23:41:55 UTC
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