MERRIMACK prefixes in area code 603
NANPA records 23 assigned NXX blocks to rate center MERRIMACK in area code 603, 3.1% of the 752 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. 8 holders hold those blocks, the largest being UNITED STATES CELLULAR - NH (6), CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (6), OMNIPOINT MIAMI E LICENSE, LLC (4). The earliest assignment on record here is 2001-05-04 and the most recent 2008-03-10. 17 of them are in thousands-block pooling, so those prefixes are shared between carriers in 1,000-number lots.
Prefixes assigned here
| Prefix | Holder of record | Assigned | Pooled | In service |
|---|---|---|---|---|
| 603-261 | UNITED STATES CELLULAR - NH | – | yes | yes |
| 603-262 | Consolidated CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | – | yes | yes |
| 603-341 | T-Mobile OMNIPOINT MIAMI E LICENSE, LLC | – | yes | yes |
| 603-345 | UNITED STATES CELLULAR - NH | – | yes | yes |
| 603-365 | T-Mobile OMNIPOINT MIAMI E LICENSE, LLC | 2001-05-04 | yes | yes |
| 603-377 | T-Mobile OMNIPOINT MIAMI E LICENSE, LLC | – | yes | yes |
| 603-396 | T-Mobile OMNIPOINT MIAMI E LICENSE, LLC | – | yes | yes |
| 603-420 | Verizon MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | – | yes | yes |
| 603-423 | Consolidated CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | – | yes | yes |
| 603-424 | Consolidated CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | – | no | yes |
| 603-429 | Consolidated CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | – | no | yes |
| 603-440 | Consolidated CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | – | yes | yes |
| 603-461 | UNITED STATES CELLULAR - NH | – | yes | yes |
| 603-493 | BELL ATLANTIC MOBILE, INC | – | no | yes |
| 603-494 | BELL ATLANTIC MOBILE, INC | – | no | yes |
| 603-517 | American Messaging AMERICAN MESSAGING SERVICES, LLC | – | no | yes |
| 603-533 | UNITED STATES CELLULAR - NH | – | yes | yes |
| 603-582 | UNITED STATES CELLULAR - NH | – | yes | yes |
| 603-620 | UNITED STATES CELLULAR - NH | – | yes | yes |
| 603-670 | Windstream PAETEC ITEL, LLC | – | yes | yes |
| 603-683 | Consolidated CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | – | no | yes |
| 603-820 | T-Mobile METROPCS, INC. | 2008-03-10 | yes | yes |
| 603-913 | Windstream PAETEC ITEL, LLC | – | 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
| Holder | Brand | Blocks | Share here |
|---|---|---|---|
| UNITED STATES CELLULAR - NH | – | 6 | 26.1% |
| CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | Consolidated | 6 | 26.1% |
| OMNIPOINT MIAMI E LICENSE, LLC | T-Mobile | 4 | 17.4% |
| BELL ATLANTIC MOBILE, INC | – | 2 | 8.7% |
| PAETEC ITEL, LLC | Windstream | 2 | 8.7% |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH | Verizon | 1 | 4.3% |
| AMERICAN MESSAGING SERVICES, LLC | American Messaging | 1 | 4.3% |
| METROPCS, INC. | T-Mobile | 1 | 4.3% |
Frequently asked
Which prefixes belong to MERRIMACK in area code 603?
23 blocks: 261, 262, 341, 345, 365, 377, 396, 420, 423, 424, 429, 440 and 11 more, all listed in the table above.
Which carriers have numbers in MERRIMACK?
UNITED STATES CELLULAR - NH (6 blocks), CONSOLIDATED COMM OF NO. NEW ENGLAND-NH (6 blocks), OMNIPOINT MIAMI E LICENSE, LLC (4 blocks), BELL ATLANTIC MOBILE, INC (2 blocks), PAETEC ITEL, LLC (2 blocks), MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NH (1 block). These are the holders on record; the carrier actually serving a given number can differ, because numbers move with their owners.
Is MERRIMACK 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.