NumberingData
Verified Nov 1, 2026 · Source: NANPA CO Code Assignment Records

MIDDLETOWN prefixes in area code 717

NANPA records 9 assigned NXX blocks to rate center MIDDLETOWN in area code 717, 1.1% of the 784 blocks assigned in the code. A rate center is the billing geography a block is allocated to – NANPA truncates the name to ten characters, so read it as a NANPA label rather than a town. 7 holders hold those blocks, the largest being VERIZON PENNSYLVANIA, INC. (3), ONVOY, LLC - PA (1), PAETEC ITEL, LLC (1). The earliest assignment on record here is 2002-09-24 and the most recent 2017-05-05. 8 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots. The same rate center name also appears in area codes 223, 227, 240, 283 – overlay codes cover the same geography, so a rate center is served by all of them.

9 assigned blocks – 1.1% of 717
7 holders of record
8 of them pooled in 1,000-number lots

Prefixes assigned here

PrefixHolder of recordAssignedPooledIn service
717-388 Onvoy ONVOY, LLC - PA 2002-09-24 yes yes
717-546 Windstream PAETEC ITEL, LLC – yes yes
717-616 Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC – yes yes
717-702 Lumen LEVEL 3 COMMUNICATIONS, LLC - PA – yes yes
717-890 Telnyx TELNYX LLC 2017-05-05 yes yes
717-902 CTSI, INC. - PA – yes yes
717-930 Verizon VERIZON PENNSYLVANIA, INC. – yes yes
717-944 Verizon VERIZON PENNSYLVANIA, INC. – no yes
717-948 Verizon VERIZON PENNSYLVANIA, INC. – yes yes

The holder is who received the block from the numbering administrator. It is not necessarily the carrier serving a given number: numbers move with their owners, and a pooled block is shared.

Who holds the blocks

HolderBrandBlocksShare here
VERIZON PENNSYLVANIA, INC. Verizon 3 33.3%
ONVOY, LLC - PA Onvoy 1 11.1%
PAETEC ITEL, LLC Windstream 1 11.1%
MCIMETRO ACCESS TRANSMISSION SERVICES LLC Verizon 1 11.1%
LEVEL 3 COMMUNICATIONS, LLC - PA Lumen 1 11.1%
TELNYX LLC Telnyx 1 11.1%
CTSI, INC. - PA – 1 11.1%

Same rate center in other codes

Overlay codes cover the same geography, so one rate center is served by all of them.

Frequently asked

Which prefixes belong to MIDDLETOWN in area code 717?

9 blocks: 388, 546, 616, 702, 890, 902, 930, 944, 948. The table above gives the holder of each.

Which carriers have numbers in MIDDLETOWN?

VERIZON PENNSYLVANIA, INC. (3 blocks), ONVOY, LLC - PA (1 block), PAETEC ITEL, LLC (1 block), MCIMETRO ACCESS TRANSMISSION SERVICES LLC (1 block), LEVEL 3 COMMUNICATIONS, LLC - PA (1 block), TELNYX LLC (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.

Is MIDDLETOWN a city?

It is a rate center – the unit NANPA allocates number blocks to. Its name is abbreviated to ten characters and is not necessarily a settlement: we print it as recorded rather than guess at the full name.

Other rate centers in 717

All 784 prefixes in 717