Local Calling Guide
Area code/prefix search
Oakland, MD
1 2 3 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 227-272
| A |
|
876D ONVOY, LLC - MD |
240 |
|
2025-03-30 |
|
| 227-272
| 0 |
|
876D ONVOY, LLC - MD |
240 |
|
2025-03-30 |
|
| 227-272
| 1 |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
240 |
|
2025-08-11 |
|
| 227-272
| 2 |
|
145J TERRA NOVA TELECOM INC. |
240 |
|
2025-04-09 |
|
| 240-212
| A |
HGTWMD53DS0 |
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
|
|
| 240-226
| A |
CMLDMDCMEMD |
876D ONVOY, LLC - MD |
240 |
|
|
|
| 240-226
| 0 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2020-09-14 |
|
| 240-226
| 1 |
|
876D ONVOY, LLC - MD |
240 |
|
2020-09-13 |
|
| 240-226
| 2 |
|
876D ONVOY, LLC - MD |
240 |
|
2020-09-13 |
|
| 240-226
| 3 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2020-10-28 |
|
| 240-226
| 4 |
|
876D ONVOY, LLC - MD |
240 |
|
2023-06-16 |
|
| 240-226
| 5 |
|
876D ONVOY, LLC - MD |
240 |
|
2021-04-02 |
|
| 240-226
| 6 |
|
876D ONVOY, LLC - MD |
240 |
|
2021-04-02 |
|
| 240-226
| 7 |
|
876D ONVOY, LLC - MD |
240 |
|
2021-07-11 |
|
| 240-226
| 8 |
|
624H ONVOY SPECTRUM, LLC |
240 |
|
2021-05-24 |
|
| 240-226
| 9 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2021-02-26 |
|
| 240-321
| A |
CMLDMDCM5MD |
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 0 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 1 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 2 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 3 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 4 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 5 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 6 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 7 |
|
4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD |
240 |
|
|
|
| 240-321
| 8 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2008-11-06 |
|
| 240-321
| 9 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2008-12-04 |
|
| 240-442
| A |
THVLMDTVRS0 |
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
| 240-442
| 0 |
|
9212 VERIZON MARYLAND, INC. |
240 |
|
|
|
| 240-442
| 1 |
|
6119 LEVEL 3 COMMUNICATIONS, LLC - MD |
240 |
|
2008-02-01 |
|
| 240-442
| 2 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2010-06-26 |
|
| 240-442
| 3 |
|
281E YMAX COMMUNICATIONS CORP. - MD |
240 |
|
2009-03-16 |
|
| 240-442
| 4 |
|
876D ONVOY, LLC - MD |
240 |
|
2024-03-14 |
|
| 240-442
| 5 |
|
318J COMCAST IP PHONE, LLC |
240 |
|
2008-01-30 |
|
| 240-442
| 6 |
|
281E YMAX COMMUNICATIONS CORP. - MD |
240 |
|
2009-03-16 |
|
| 240-442
| 7 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
240 |
|
2011-06-11 |
|
| 240-442
| 8 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2015-05-24 |
|
| 240-442
| 9 |
|
876D ONVOY, LLC - MD |
240 |
|
2020-06-04 |
|
| 240-488
| A |
CMLDMDCM2MD |
836G SHENTEL COMMUNICATIONS, LLC. - MD |
240 |
|
|
|
| 240-488
| 0 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2018-08-24 |
|
| 240-488
| 1 |
|
836G SHENTEL COMMUNICATIONS, LLC. - MD |
240 |
|
2012-07-14 |
|
| 240-488
| 2 |
|
568G PEERLESS NETWORK OF MARYLAND, LLC |
240 |
|
2018-03-16 |
|
| 240-488
| 3 |
|
876D ONVOY, LLC - MD |
240 |
|
2016-09-13 |
|
| 240-488
| 4 |
|
318J COMCAST IP PHONE, LLC |
240 |
|
2015-06-10 |
|
| 240-488
| 5 |
|
876D ONVOY, LLC - MD |
240 |
|
2016-09-13 |
|
| 240-488
| 6 |
|
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
2018-10-18 |
|
| 240-488
| 7 |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
240 |
|
2016-11-12 |
|
| 240-488
| 8 |
|
073H TELNYX LLC |
240 |
|
2017-08-08 |
|
| 240-488
| 9 |
|
2593 CORE COMMUNICATIONS, INC.- MD |
240 |
|
2019-05-02 |
|
| 240-785
| A |
HGTWMDHGDMD |
071F BANDWIDTH.COM CLEC, LLC - MD |
240 |
|
|
|
1 2 3 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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