Local Calling Guide
Area code/prefix search
Philadelphia Suburban Zone 23, PA
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 610-227
| 1 |
KGPRPADODS0 |
7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
228 |
|
|
|
| 610-227
| 2 |
KGPRPADODS0 |
7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
228 |
|
|
|
| 610-227
| 3 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-03-15 |
|
| 610-227
| 4 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2018-10-26 |
|
| 610-227
| 5 |
WNRTPAAHCMA |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
228 |
|
|
|
| 610-227
| 6 |
PHLAPAFGXCX |
073H TELNYX LLC |
228 |
|
2019-03-18 |
|
| 610-227
| 7 |
PHLAPAMKX7X |
321J HD CARRIER LLC |
228 |
|
2016-05-20 |
|
| 610-227
| 8 |
IRTNPAXIDS2 |
8320 SERVICE ELECTRIC TELEPHONE COMPANY, LLC |
228 |
|
2003-02-07 |
|
| 610-227
| 9 |
PHLAPAMKX4X |
624H ONVOY SPECTRUM, LLC |
228 |
|
2021-11-05 |
|
| 610-257
| A |
KGPRPADODS0 |
7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
228 |
|
|
|
| 610-257
| 0 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-257
| 1 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-257
| 2 |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
2024-10-10 |
|
| 610-257
| 3 |
KGPRPADODS0 |
7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
228 |
|
|
|
| 610-257
| 4 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-03-27 |
|
| 610-257
| 5 |
KGPRPADODS0 |
7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
228 |
|
|
|
| 610-257
| 6 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-257
| 7 |
PHLAPAMK20Z |
002F BANDWIDTH.COM CLEC, LLC - PA |
228 |
|
2013-03-04 |
|
| 610-257
| 8 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-257
| 9 |
KGPRPADODS0 |
7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA |
228 |
|
|
|
| 610-464
| A |
PHLAPAMK20Z |
9748 AMERICAN MESSAGING SERVICES, LLC |
228 |
|
|
|
| 610-517
| A |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
|
|
| 610-538
| A |
PHLAPAAZDS2 |
7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA |
228 |
|
|
|
| 610-538
| 0 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-538
| 1 |
PHLAPAAZDS2 |
7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA |
228 |
|
|
|
| 610-538
| 2 |
PHLAPAAZDS2 |
7309 TELEPORT COMMUNICATIONS AMERICA, LLC - PA |
228 |
|
|
|
| 610-538
| 3 |
PHLAPAFGD2S |
547E ONVOY, LLC - PA |
228 |
|
2021-07-17 |
|
| 610-538
| 4 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-538
| 5 |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
2024-10-10 |
|
| 610-538
| 6 |
PHLBPAMYDS4 |
5494 NETCARRIER TELECOM, INC. - PA |
228 |
|
2002-04-27 |
|
| 610-538
| 7 |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
2024-10-10 |
|
| 610-538
| 8 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-538
| 9 |
|
3806 CORE COMMUNICATIONS, INC. - PA |
228 |
|
2019-04-17 |
|
| 610-617
| A |
BCYNPABCDS0 |
9208 VERIZON PENNSYLVANIA, INC. |
228 |
|
|
|
| 610-632
| A |
BCYNPABCDS0 |
9208 VERIZON PENNSYLVANIA, INC. |
228 |
|
|
|
| 610-632
| 0 |
BCYNPABCDS0 |
9208 VERIZON PENNSYLVANIA, INC. |
228 |
|
|
|
| 610-632
| 1 |
PHLAPAFGD4S |
967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA |
228 |
|
2019-12-31 |
|
| 610-632
| 2 |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
2024-06-07 |
|
| 610-632
| 3 |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
2024-06-07 |
|
| 610-632
| 4 |
PHLAPAMK17Z |
784E BLOCK LINE SYSTEMS, LLC - PA |
228 |
|
2008-10-02 |
|
| 610-632
| 5 |
PHLAPAFGD4S |
967E PEERLESS NETWORK OF PENNSYLVANIA, LLC - PA |
228 |
|
2020-04-29 |
|
| 610-632
| 6 |
PHLAPAFGD2S |
547E ONVOY, LLC - PA |
228 |
|
2016-04-06 |
|
| 610-632
| 7 |
PHLAPAFGD2S |
547E ONVOY, LLC - PA |
228 |
|
2016-04-06 |
|
| 610-632
| 8 |
PHLAPAFGXCX |
073H TELNYX LLC |
228 |
|
2017-06-21 |
|
| 610-632
| 9 |
PHLAPAMK33Z |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
228 |
|
2024-10-19 |
|
| 610-636
| A |
WNRTPAAHCMA |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
228 |
|
|
|
| 610-636
| 0 |
WNRTPAAHCMA |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
228 |
|
|
|
| 610-636
| 1 |
WNRTPAAHCMA |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
228 |
|
|
|
| 610-636
| 2 |
WNRTPAAHCMA |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
228 |
|
|
|
| 610-636
| 3 |
WNRTPAAHCMA |
6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP |
228 |
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Last updated: Tue, 31 Mar 2026 13:56:49 UTC
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