Area code 781 and 339 are telephone

area code A telephone numbering plan is a type of numbering scheme used in telecommunication to assign telephone numbers to subscriber telephones or other telephony endpoints. Telephone numbers are the addresses of participants in a telephone network, rea ...

s in the

North American Numbering Plan The North American Numbering Plan (NANP) is an integrated telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1, World Numbering Zone ...

for the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its so ...

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

. The numbering plan area consists of

Boston Boston is the capital and most populous city in the Commonwealth (U.S. state), Commonwealth of Massachusetts in the United States. The city serves as the cultural and Financial centre, financial center of New England, a region of the Northeas ...

’s inner suburbs along the Route 128 corridor, and some outer suburbs, especially in the South Shore region. Major cities and towns with the area code include Waltham, Woburn, Lynn, Weymouth and Dedham. It was created as in an

area code split In telecommunications, an area code split is the practice of introducing a new telephone area code by geographically dividing an existing numbering plan area (NPA), and assigning area codes to the resulting divisions, but retaining the existing a ...

area code 617 Area codes 617 and 857 are telephone area codes in the North American Numbering Plan (NANP) for the U.S. state of Massachusetts, serving the city of Boston and several surrounding communities such as Brookline, Cambridge, Newton and Quincy. ...

on September 1, 1997. Use of 781 became mandatory February 1, 1998. Area code 339 is an

overlay complex In telecommunications, an area code overlay complex is a telephone numbering plan that assigns multiple area codes to the same geographic numbering plan area (NPA). Area code overlays are implemented in territories of the North American Numbe ...

code for the same service area, activated on May 2, 2001.Howe, Peter J. (March 29, 2001).
Get Set to Dial 10 Digits: New Rules Start Monday for all Eastern Mass. calls
. ''Boston Globe''. p. A1. Since then,

ten-digit dialing Ten-digit dialing is a telephone dialing procedure in the countries and territories of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when Dialling (telephony), dialing to initiate a t ...

has been mandatory. Some mobile telephone numbers assigned in the 1990s to rate centers in 781 and 339 kept the 617 area code just on those mobile lines after the split.

Service area

The area codes serve most of the South Shore, and the suburbs along Route 128 and surrounding towns. The service area includes portions of the following counties: *

Essex Essex ( ) is a Ceremonial counties of England, ceremonial county in the East of England, and one of the home counties. It is bordered by Cambridgeshire and Suffolk to the north, the North Sea to the east, Kent across the Thames Estuary to the ...

Middlesex Middlesex (; abbreviation: Middx) is a Historic counties of England, former county in South East England, now mainly within Greater London. Its boundaries largely followed three rivers: the River Thames, Thames in the south, the River Lea, Le ...

Norfolk Norfolk ( ) is a Ceremonial counties of England, ceremonial county in England, located in East Anglia and officially part of the East of England region. It borders Lincolnshire and The Wash to the north-west, the North Sea to the north and eas ...

Plymouth Plymouth ( ) is a port city status in the United Kingdom, city and unitary authority in Devon, South West England. It is located on Devon's south coast between the rivers River Plym, Plym and River Tamar, Tamar, about southwest of Exeter and ...

Suffolk Suffolk ( ) is a ceremonial county in the East of England and East Anglia. It is bordered by Norfolk to the north, the North Sea to the east, Essex to the south, and Cambridgeshire to the west. Ipswich is the largest settlement and the county ...

Communities: * Abington * Arlington *

Bedford Bedford is a market town in Bedfordshire, England. At the 2011 Census, the population was 106,940. Bedford is the county town of Bedfordshire and seat of the Borough of Bedford local government district. Bedford was founded at a ford (crossin ...

* Braintree * Burlington * Canton * Cohasset * Dedham *

Duxbury Duxbury (alternative older spelling: "Duxborough") is a town in Plymouth County, Massachusetts, United States. A suburb located on the South Shore (Massachusetts), South Shore approximately to the southeast of Boston, the population was 16,090 ...

* Halifax *

Hanover Hanover ( ; ; ) is the capital and largest city of the States of Germany, German state of Lower Saxony. Its population of 535,932 (2021) makes it the List of cities in Germany by population, 13th-largest city in Germany as well as the fourth-l ...

* Hanson * Hingham * Holbrook * Hull * Kingston * Lexington * Lincoln * Lynn * Lynnfield * Malden * Marblehead * Marshfield * Medford * Melrose * Nahant * Needham * Norwell * Norwood * Pembroke *

Plympton Plympton is a suburb of the city of Plymouth in Devon, England. It is in origin an ancient Stannary, stannary town. It was an important trading centre for locally mined tin, and a seaport before the River Plym silted up and trade moved down riv ...

* Randolph *

Reading Reading is the process of taking in the sense or meaning of symbols, often specifically those of a written language, by means of Visual perception, sight or Somatosensory system, touch. For educators and researchers, reading is a multifacete ...

* Revere * Rockland * Saugus * Scituate *

Sharon Sharon ( 'plain'), also spelled Saron, is a given name as well as a Hebrew name. In Anglosphere, English-speaking areas, Sharon is now predominantly a feminine given name, but historically it was also used as a masculine given name. In Israel, ...

* Stoneham * Stoughton * Swampscott *

Wakefield Wakefield is a cathedral city in West Yorkshire, England located on the River Calder. The city had a population of 109,766 in the 2021 census, up from 99,251 in the 2011 census. The city is the administrative centre of the wider Metropolit ...

* Waltham * Wellesley *

Weston Weston may refer to: Places Australia * Weston, Australian Capital Territory, a suburb of Canberra * Weston, New South Wales * Weston Creek, a residential district of Canberra * Weston Park, Canberra, a park Canada * Weston, Nova Scotia * W ...

* Westwood * Weymouth * Whitman *

Winchester Winchester (, ) is a City status in the United Kingdom, cathedral city in Hampshire, England. The city lies at the heart of the wider City of Winchester, a local government Districts of England, district, at the western end of the South Downs N ...

* Woburn

Central office codes by location

781-NXX

* Arlington (includes part of Medford): 316, 443, 483, 488, 574, 583, 641, 643, 645, 646, 648, 777, 819, 844, 859 * Braintree: 228, 267, 303, 348, 353, 356, 380, 394, 428, 510, 519, 535, 602, 654, 664, 794, 796, 817, 843, 848, 849, 884, 917, 926, 930, 952, 964 * Burlington: 202, 203, 221, 229, 238, 262, 265, 270, 272, 273, 313, 328, 345, 359, 362, 365, 387, 418, 425, 442, 494, 505, 552, 564, 565, 601, 653, 685, 730, 743, 744, 750, 757, 791, 825, 852, 892, 896, 993, 998 * Canton: 232, 298, 302, 332, 363, 364, 401, 415, 562, 571, 575, 615, 633, 713, 737, 739, 746, 770, 774, 821, 828, 830, 989 * Cohasset: 210, 236, 383, 527, 923 * Dedham (includes part of Westwood): 223, 251, 320, 326, 329, 355, 366, 375, 381, 407, 410, 441, 459, 461, 467, 471, 492, 493, 613, 636, 686, 690, 708, 742, 751, 752, 801, 915 * Hingham: 374, 385, 556, 630, 706, 735, 740, 741, 749, 783, 804, 836, 875, 903, 908, 919 * Hull: 214, 242, 773, 925 * Lexington (includes Bedford): 226, 230, 240, 266, 271, 274, 275, 276, 280, 301, 323, 325, 354, 357, 372, 377, 382, 402, 430, 456, 457, 458, 482, 515, 532, 533, 538, 541, 553, 597, 652, 669, 671, 674, 676, 687, 698, 734, 748, 761, 766, 778, 841, 845, 860, 861, 862, 863, 869, 879, 918, 945, 958, 981, 999 * Lincoln: 259 * Lynn: 215, 244, 248, 254, 268, 309, 346, 477, 479, 581, 584, 586, 592, 593, 594, 595, 596, 598, 599, 632, 691, 710, 715, 718, 731, 771, 780, 842, 910, 913 * Malden: 288, 321, 322, 324, 333, 338, 388, 397, 399, 420, 480, 502, 605, 627, 661, 667, 851, 870, 873, 905, 912 * Medford: 219, 306, 350, 391, 393, 395, 396, 475, 498, 518, 526, 539, 628, 655, 658, 723, 827, 866, 874, 957, 960 * Melrose: 432, 462, 517, 590, 606, 620, 662, 665, 712, 720, 979 * Needham: 247, 292, 343, 400, 429, 433, 444, 449, 453, 455, 465, 474, 495, 514, 540, 559, 644, 657, 707, 719, 726, 727, 898, 965, 972 * Norwood (includes part of Westwood): 255, 369, 278, 349, 352, 414, 440, 501, 551, 603, 619, 634, 680, 688, 702, 725, 762, 769, 856, 881, 929, 948, 949, 956 * Randolph (includes Holbrook): 300, 308, 390, 437, 473, 506, 510, 607, 767, 785, 815, 824, 885, 888, 961, 963, 986 * Reading: 205, 282, 315, 439, 509, 649, 670, 673, 677, 758, 764, 765, 779, 872, 909, 942, 944 * Revere: 241, 284, 286, 289, 426, 485, 549, 560, 629, 656, 808, 823, 853, 858, 922, 951, 953, * Saugus: 231, 233, 558 * Scituate: 545 * Stoneham: 279, 435, 438, 454, 481, 507, 568, 572, 799, 832, 835, 850, 954, 984 * Wakefield: 213, 224, 245, 246, 258, 295, 360, 451, 486, 548, 557, 567, 587, 621, 683, 716, 876, 914, 928, 968 * Waltham (includes part of Weston): 207, 208, 209, 212, 216, 249, 250, 256, 290, 296, 299, 314, 317, 330, 370, 373, 386, 392, 398, 409, 419, 434, 464, 466, 472, 478, 487, 513, 516, 522, 529, 530, 543, 547, 577, 609, 612, 614, 622, 642, 647, 663, 668, 672, 678, 684, 693, 697, 699, 736, 768, 775, 786, 788, 790, 795, 810, 833, 839, 864, 890, 891, 893, 894, 895, 899, 902, 906, 907, 916, 966, 996 * Wellesley (includes part of Weston): 235, 237, 239, 263, 283, 304, 371, 416, 431, 446, 489, 591, 694, 705, 772, 943, 992, 997 * Weymouth: 277, 331, 335, 337, 340, 413, 534, 624, 626, 637, 682, 724, 789, 803, 812, 901, 927, 974, 985 * Winchester: 218, 358, 368, 369, 389, 570, 589, 604, 625, 717, 721, 722, 729, 756, 760, 838, 971, 977, 983 * Woburn: 281, 287, 305, 367, 376, 404, 405, 460, 491, 496, 497, 503, 504, 528, 537, 569, 608, 638, 640, 696, 704, 759, 782, 787, 865, 883, 897, 904, 932, 933, 935, 937, 938, 939, 962, 670, 994, 995

339-NXX

* Arlington: 368, 707 * Braintree: 235 * Bryantville: 244, 933 * Burlington: 234 * Cambridge: 550, 940, 976 * Canton: 237, 502 * Cohasset: 337 * Dedham: 204 * Hingham: 200, 236 * Kingston: 309, 832 * Lexington: 223, 970 * Lincoln: 333 * Lowell: 920 * Lynn: 440, 883 * Malden: 224 * Marshfield: 793 * Medford:221, 545, 674 * Melrose: 293 * Needham: 225 * Norwell: 613 * Norwood: 206 * Randolph: 987 * Revere: 226, 532 * Rockland: 469, 788 * Saugus: 600 * Scituate: 526 * Sharon: 230, 364 * Wakefield: 203, 219 * Waltham: 222, 814 * Wellesley: 686 * Weymouth: 355, 499 * Woburn: 227, 298, 645, 927

N11 codes

* 2-1-1: United Way Worldwide (UWW) and the Alliance for Information and Referral Systems (AIRS) * 3-1-1: unused * 4-1-1:

directory assistance In telecommunications, directory assistance or directory inquiries is a phone service used to find out a specific telephone number and/or address of a residence, business, or government entity. Technology Directory assistance systems incorporate ...

5-1-1 5-1-1 is a transportation and traffic information telephone hotline in some regions of the United States and Canada. Travelers can dial 511, a three-digit telephone number, on landlines and most mobile phones. The number has also extended to b ...

traffic Traffic is the movement of vehicles and pedestrians along land routes. Traffic laws govern and regulate traffic, while rules of the road include traffic laws and informal rules that may have developed over time to facilitate the orderly an ...

information Information is an Abstraction, abstract concept that refers to something which has the power Communication, to inform. At the most fundamental level, it pertains to the Interpretation (philosophy), interpretation (perhaps Interpretation (log ...

or police non-emergency services (treated as calling to the 617 area code) * 6-1-1: unused * 7-1-1: TDD

relay A relay Electromechanical relay schematic showing a control coil, four pairs of normally open and one pair of normally closed contacts An automotive-style miniature relay with the dust cover taken off A relay is an electrically operated switc ...

(MassRelay) for the

deaf Deafness has varying definitions in cultural and medical contexts. In medical contexts, the meaning of deafness is hearing loss that precludes a person from understanding spoken language, an audiological condition. In this context it is written ...

* 8-1-1: underground public

utility location Utility locating is the process of identifying and labeling public utility mains that are underground. These mains may include lines for telecommunication, electricity, electricity distribution, natural gas, cable television, optical fibers, fib ...

(Dig Safe), *

9-1-1 911, sometimes written , is an emergency telephone number for Argentina, Canada, the Dominican Republic, Fiji, Jordan, Mexico, Pakistan, Maldives, Palau, Panama, Iraq, the Philippines, Sint Maarten, the United States, and Uruguay, as well as ...

emergency service Emergency services and rescue services are organizations that ensure public safety, security, and health by addressing and resolving different emergencies. Some of these agencies exist solely for addressing certain types of emergencies, while oth ...

sState 911 Department
/ref>

References

External links

Massachusetts Area Code Map
Mass. Department of Telecommunications and Cable {{Area code box , State = MA , This = 339/781
surrounds 617/857 , N = 978/351 , S = 508/774 , W = 413 , E = 617/857,

Atlantic Ocean The Atlantic Ocean is the second largest of the world's five borders of the oceans, oceanic divisions, with an area of about . It covers approximately 17% of Earth#Surface, Earth's surface and about 24% of its water surface area. During the ...

781 781 Telecommunications-related introductions in 1997 Telecommunications-related introductions in 2001 1997 establishments in Massachusetts 2001 establishments in Massachusetts